Question: It's February 2021. Mark was born in January 1976. Graham is 3 years younger than Mark, and Graham's sister, Janice, is 1/2 the age of Graham. How old is Janice?
Answer: It's 2021 and Mark was born in 1976 so Mark is 2021 - 1976 = 45 years old. Graham is 3 years younger than Mark who is 45 so Graham is 45 - 3 = 42 years old. Janice is 1 / 2 the age of Graham who is 42 so Janice is 42 / 2 = 21 years old. The answer is 21.
[Question]A person borrowed an amount of money for a year at an interest rate of 12%. If the total interest is $1500, what was the original borrowed amount?
[Answer]Let X be the price of the borrowed amount. The interest is X * .12 = $1500. So the borrowed amount is X = $1500 / .12 = $12500. The answer is 12500.
Q: Thirty students run in a charity race to raise money for the hurricane victims. Ten of the students raised $20 each. The rest of the students raised $30 each. How much did the students raise in all?
A: Ten students raised a total of $20 x 10 = $200. There are 30 - 10 = 20 students who raised $30 each. Twenty students raised a total of $30 x 20 = $600. Therefore, the students raised a total of $200 + $600 = $800. The answer is 800.
Question: Jenny decided to get a cat with her girlfriend. They agreed to split all the costs down the middle except for they would each buy their own toys for the cat. The adoption fee was $50, the vet visits cost $500 for the first year and the monthly cost of food was $25. She bought $200 in toys. How much did Jenny spend on the cat in the first year?
Answer: The total cost for food was 25 * 12 = $300. So their shared expenses were 300 + 50 + 500 = $850. So Jenny spent 850 / 2 = $425 on shared expenses. So the total cost she paid was 425 + 200 = $625. The answer is 625.
[Question]Joanie wants to join a gym to get into shape. The gym costs $12 per month and has a $50 down payment. How much will she need to pay for the first 3 years?
[Answer]The membership costs $12 * 12 months = $144 per year. For three years, the monthly membership fee will be $144 * 3 = $432. The total amount paid for 3 years will be $432 + $50 = $482. The answer is 482.
[Question]Susan earned $600 from babysitting over the summer. She went shopping and spent half of it on clothes. Then she spent half of what was left on books. How much money did she have left?
[Answer]
Susan spent 600 / 2 = 300 on clothes. After buying clothes she had 600 - 300 = 300 dollars left. She spent 300 / 2 = 150 dollars on books. She had 300 - 150 = 150 dollars left. The answer is 150.