Q: Erin is sorting through the library books to decide which ones to replace. She finds 8 less than 6 times as many obsolete books as damaged books. If she removes 69 books total, how many books were damaged?
A: Let o be the number of obsolete books and d be the number of damaged books. We know that o + d = 69 and o = 6d - 8. Substituting the first equation into the second equation, we get 6d - 8 + d = 69. Combining like terms, we get 7d - 8 = 69. Adding 8 to both sides, we get 7d = 77. Dividing both sides by 7, we get d = 11. The answer is 11.
Question: There are 50 goldfish in the pond. Each goldfish eats 1.5 ounces of food per day. 20% of the goldfish need to eat special food that costs $3 an ounce. How much does it cost to feed these fish?
Answer: There are 10 fish who need the special food because 50 x .2 = 10. These fish eat 15 ounces a day because 10 x 1.5 = 15. This food costs $45 because 15 x 3 = 45. The answer is 45.
[Question]Zoe goes to the store to buy soda and pizza for herself and her 5 family members. Each bottle of soda costs half a dollar and each slice of pizza costs $1. Before she leaves her house she takes just enough money to pay for her purchase. How much money did Zoe take?
[Answer]Zoe is going to buy pizza and soda for 5 people + 1 person = 6 people. For 6 sodas, Zoe will pay 6 sodas * $0.5 / soda = $3. For 6 slices of pizza, she will pay 6 slices * $1 / slice = $6. Adding the price of the soda and pizza, Zoe paid $3 + $6 = $9. The answer is 9.
Q: James is sitting outside, counting how many people go past him in vehicles. He has counted 52 vehicles so far today. He saw 12 trucks, a couple of buses, twice as many taxis, some motorbikes, and 30 cars. If the trucks held 2 people each, the buses held 15 people each, the taxis held 2 people each, the motorbikes held 1 person each, and the cars held 3 people each, how many passengers has James seen today?
A: In the trucks, James saw 12 * 2 = 24 people. In the buses, he saw 2 * 15 = 30 people. He saw 2 * 2 = 4 taxis go past him. Therefore, he saw 4 * 2 = 8 people in the taxis. In the cars, he saw 30 * 3 = 90 people. Since we know how many vehicles James saw in total, we know that he saw 52 – 12 – 2 – 4 – 30 = 4 motorbikes. So, he saw 4 * 1 = 4 people on motorbikes. He has therefore seen a total of 24 + 30 + 8 + 90 + 4 = 156 people. The answer is 156.
Question: Tomas ate 1.5 pounds of chocolate fudge last week. Katya ate half a pound of peanut butter fudge, while Boris ate 2 pounds of fudge. How many ounces of fudge did the 3 friends eat in total?
Answer: Tomas ate 1.5 * 16 = 24 ounces. Katya ate 0.5 * 16 = 8 ounces. Boris ate 2 * 16 = 32 ounces. Total = 24 + 8 + 32 = 64 ounces. The 3 friends ate 64 ounces of fudge in total. The answer is 64.
Q: A reporter is paid by the word and per article. She earns $.1 per word. She earns $60 per article. She has to finish three stories in the next 4 hours. She averages 10 words a minute. How much can she expect to earn per hour if she writes the entire time?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
She has 240 minutes to write because 4 x 60 = 240. She will write 2,400 words because 240 x 10 = 2,400. She will earn $240 for the words because 2,400 x .1 = 240. She will earn $180 from the articles because 3 x 60 = 180. She will earn $420 in total because 240 + 180 = 420. She will average $105 an hour because 420 / 4 = 105. The answer is 105.