Write a multi-choice question for the following article, with the given choices and answer:
Article: The old man walked slowly into the restaurant. With head tilted, and shoulders bent forward he leaned on his trusty stick with each unhurried step. His torn cloth jacket, patched trousers, worn out shoes, and warm personality made him stand out from the usual Saturday morning breakfast crowd. He stopped, turned with his whole body, and winked at a little girl seated by the door. She flashed a big smile right back at him.
A young waitress named Mary watched him walk toward a table by the window. She ran over to him, and said, "Here, Sir. Let me give you a hand with that chair." She pulled the chair away from the table. Steadying him with one arm, she helped him move in front of the chair, and get comfortably seated. Then she moved the table up close to him, and leaned his stick against the table where he could reach it.
In a soft, clear voice he said, "Thank you, Miss. And bless you for your kind gestures."
"You're welcome, Sir." She replied. "And my name is Mary. I'll be back in a moment, and if you need anything at all in the mean time, just wave at me!"
After he had finished a hearty meal, Mary brought him the change from his ticket. He left it on the table. She helped him and walked with him to the front door. Holding the door open for him, she said, "Come back and see us, Sir!" He turned and nodded a thank-you. "You are very kind." he said softly, smiling.
When Mary went to clean his table, she almost fainted. Under his plate she found a business card, and a note scribbled on a napkin. Under the napkin was a one-hundred-dollar bill.
The note on the napkin read, "Dear Mary, I respect you very much, and you respect yourself too. It shows by the way you treat others. You have found the secret of happiness. Your kind gestures will shine through those who meet you."
The man she had waited on was the owner of the restaurant where she worked. This was the first time that she, or any of his employees had ever seen him in person.
Options:
A was grateful for Mary's kindness
B wanted to encourage Mary to do more good deeds
C appreciated Mary's kindness and work attitude
D thought highly of the tasty meal in the restaurant
Answer:
C appreciated Mary's kindness and work attitude
Question:
The answer is "C".
So the question will be: The old man left $ 100 under the napkin because he   _  .
Agatha has $60 to spend on a new bike. She spends $15 on the frame, and $25 on the front wheel. What does she have left, in dollars, to spend on a seat and handlebar tape?
Agatha spends 15+25=<<15+25=40>>40 dollars.
Agatha has 60-40=<<60-40=20>>20 dollars left.
#### 20
You are an expert at transforming general questions into domain-specific, math-related questions. Your task is to generate only the transformed math question without including any answers or solutions.

### Step-by-Step Instructions
#### Step 1: Analyze and Understand the General Question
   - Objective: Fully understand the general question to grasp its context, key concepts, and quantitative elements.
   - Guidelines:
     - Identify the core topic (e.g., measurement, comparison, probability) and **specific details** that can inspire mathematical transformations.
     - Consider how the question’s **structure and format** might be adapted to a mathematical context. For example, if the question compares quantities or discusses measurements, consider framing these as math problems involving calculations, rates, or proportions.

#### Step 2: Refer to the Domain-Specific Question (for Inspiration Only)
   - Objective: Use the domain-specific question to understand how similar questions are formulated in a mathematical way.
   - Guidelines:
     - Extract Core Concepts: Identify the main mathematical ideas in the domain-specific question and consider how these concepts can apply to the general question.
     - Focus on Transformation, Not Duplication: Use the structure of the domain-specific question as a guide but create a unique question aligned with the general question’s theme.
     - Frame questions to encourage mathematical reasoning, such as using multi-step calculations, logical problem-solving, or real-world applications.

#### Step 3: Generate the Transformed Math Question
   - Objective: Create an original math question that retains the context and theme of the general question pair.
   - Guidelines:
     - Preserve Original Context: Integrate elements from the general question (e.g., scenario, characters, or objects) into the math question to make it cohesive and relevant.
     - Introduce a Mathematical Challenge: Frame the question to require mathematical thinking, such as:
       - Calculations (e.g., “Calculate the time needed if…”)
       - Comparative reasoning (e.g., “Determine which option has a higher value if…”)
       - Probability or logic-based reasoning (e.g., “What are the chances of selecting a specific item if…”)
     - Avoid Including Solutions: Ensure the output contains only the transformed math question without any answers or calculations.

### Response Rule
- Generate **only the "Transformed Domain Question"** for **Example 4** without including any answer, explanation, or solution.

### Output Format
- **Transformed Domain Question**: [Write your transformed question here.]

### Example 1:
- **General Question**: Given the sentence "A man with a beard playing an instrument," is it true that "The person has a beard"?
- **Domain Question**: What is the total cost of purchasing equipment for all sixteen players on the football team, considering that each player requires a $25 jersey, a $15.20 pair of shorts, and a pair of socks priced at $6.80?
- **Transformed Domain Question**: In a concert audience of 1,000 people, where 45% of attendees are male and 30% of the males have beards, what is the probability of randomly selecting a bearded man from the crowd?

### Example 2:
- **General Question**: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance. Having read the above passage, choose the right answer to the following question (choices are higher or lower): You can find tables that show the pH value of different fruits and vegetables. The fruits such as apples are barely acidic so they have a pH value that is higher or lower?
- **Domain Question**: If Williams has a certain amount of money, Jackson has 5 times that amount. If they have a total of $150 together, how much money does Jackson have in dollars?
- **Transformed Domain Question**: In a study of soil pH levels across various agricultural zones, it's noted that some zones are more acidic due to the types of crops grown there. If Zone A has an average soil pH of 5.7 and is noted for its apple orchards, which are known for requiring slightly acidic soil, calculate the comparative pH difference percentage between Zone A and Zone B, where Zone B has a soil pH of 6.8, suitable for less acidic crop requirements.

### Example 3:
- **General Question**: Detailed Instructions: In this task, you are given a sentence in the Hindi language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
- **Domain Question**: Mary and Ann are going sledding. Mary slides down a hill that's 630 feet long at a speed of 90 feet/minute. Ann slides down a hill that's 800 feet long at a rate of x feet/minute. How much longer does Ann's trip take than Mary? If we know the answer to the above question is 13, what is the value of unknown variable x?
- **Transformed Domain Question**: Given the geopolitical tension in the region described, if the fall of the Ottoman and Russian empires led to the redistribution of their controlled territories among other nations, assume these territories were divided into 10 new countries with varying sizes. The largest new country occupies 30% of the total territory once held by these empires. If the total land previously controlled by the Ottoman and Russian empires was 2,000,000 square kilometers, calculate the area of the largest new country in square kilometers.

### Example 4:
- **General Question**: Write a multi-choice question for the following article, with the given choices and answer:
Article: The old man walked slowly into the restaurant. With head tilted, and shoulders bent forward he leaned on his trusty stick with each unhurried step. His torn cloth jacket, patched trousers, worn out shoes, and warm personality made him stand out from the usual Saturday morning breakfast crowd. He stopped, turned with his whole body, and winked at a little girl seated by the door. She flashed a big smile right back at him.
A young waitress named Mary watched him walk toward a table by the window. She ran over to him, and said, "Here, Sir. Let me give you a hand with that chair." She pulled the chair away from the table. Steadying him with one arm, she helped him move in front of the chair, and get comfortably seated. Then she moved the table up close to him, and leaned his stick against the table where he could reach it.
In a soft, clear voice he said, "Thank you, Miss. And bless you for your kind gestures."
"You're welcome, Sir." She replied. "And my name is Mary. I'll be back in a moment, and if you need anything at all in the mean time, just wave at me!"
After he had finished a hearty meal, Mary brought him the change from his ticket. He left it on the table. She helped him and walked with him to the front door. Holding the door open for him, she said, "Come back and see us, Sir!" He turned and nodded a thank-you. "You are very kind." he said softly, smiling.
When Mary went to clean his table, she almost fainted. Under his plate she found a business card, and a note scribbled on a napkin. Under the napkin was a one-hundred-dollar bill.
The note on the napkin read, "Dear Mary, I respect you very much, and you respect yourself too. It shows by the way you treat others. You have found the secret of happiness. Your kind gestures will shine through those who meet you."
The man she had waited on was the owner of the restaurant where she worked. This was the first time that she, or any of his employees had ever seen him in person.
Options:
A was grateful for Mary's kindness
B wanted to encourage Mary to do more good deeds
C appreciated Mary's kindness and work attitude
D thought highly of the tasty meal in the restaurant
Answer:
C appreciated Mary's kindness and work attitude
Question:
- **Domain Question**: Agatha has $60 to spend on a new bike. She spends $15 on the frame, and $25 on the front wheel. What does she have left, in dollars, to spend on a seat and handlebar tape?
- **Transformed Domain Question**: 