Reasoning & answer: CoT: In 2 years, my dog will be 4 years old, so my dog is 4 - 2 = 2 years old now. So I am 15 + 2 = 17 years old now.
The answer: 17
Question: My dog was born when I was 15 years old. Two years from now, my dog will turn 4 years old. How old am I now?

Reasoning & answer: CoT: For 6 lemons, Tom will pay 6 * 2 = $12. For 3 papayas, he will pay 3 * 1 = $3. For 2 mangos, he will pay 2 * 4 = $8. In total, the cost of the fruits before discount is 12 + 4 + 8 = $24. The total number of fruits is 6 + 4 + 2 = 12 fruits. For 12 fruits, Tom gets a discount of 12 / 4 = $3. Subtracting the discount offered by the store, Tom will pay 24 - 3 = $21.
The answer: 21
Question: Tom went to the store to buy fruit. Lemons cost $2, papayas cost $1, and mangos cost $4. For every 4 fruits that customers buy, the store offers a $1 discount. Tom buys 6 lemons, 4 papayas, and 2 mangos. How much will he pay?

Reasoning & answer: CoT: First find how many eggs per minute the owner can clean up: 60 seconds / minute / 15 seconds / egg = 4 eggs / minute. Then divide the total number of eggs by the number of eggs cleaned per minute to find how long the owner spends cleaning them up: 60 eggs / 4 eggs / minute = 15 minutes. Then find the total time the owner spends cleaning up toilet paper: 7 rolls * 30 minutes / roll = 210 minutes. Finally, add that amount to the egg cleaning time to find the total cleaning time: 210 minutes + 15 minutes = 225 minutes.
The answer: 225
Question: Every Halloween one house in the neighborhood gives out toothbrushes instead of candy, so it always gets egged and covered in toilet paper. If the owner spends 15 seconds cleaning up each egg and 30 minutes cleaning up each roll of toilet paper, how long (in minutes) will they have to spend cleaning up 60 eggs and 7 rolls of toilet paper?

Reasoning & answer: CoT: She sold 5 necklaces at $25.00 apiece for a total of 5 * 25 = $125.00. She sold 10 bracelets for $15.00 each for a total of 10 * 15 = $150.00. She sold 20 earrings for $10.00 a pair for a total of 20 * 10 = $200.00. She sold 2 ensembles for $45.00 each for a total of 2 * 45 = $90.00. All total she made 125 + 150 + 200 + 90 = $565.00.
The answer: 565
Question:

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.
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Nina makes one-of-a-kind jewelry and sells it at a local boutique. She charges $25.00 for her necklaces, $15.00 for bracelets and $10.00 for a pair of earrings. Over the weekend, she sold 5 necklaces, 10 bracelets, 20 earrings, and received 2 orders for a complete jewelry ensemble that Nina charged $45.00 for. How much money did she make over the weekend?