[Question]Mary does her grocery shopping on Saturday. She does her shopping only at a specific store where she is allowed a credit of $100, which must be paid in full before her next shopping trip. That week she spent the full credit limit and paid $15 of it on Tuesday and $23 of it on Thursday. How much credit will Mary need to pay before her next shopping trip?
[Answer]So far, Mary has paid back $15 + $23 = $38 of the credit. So she still needs to pay $100 - $38 = $62. The answer is 62.

[Question]How many apples did two men and three women buy at a certain store if the two men each bought 30 apples, 20 less than the number of apples bought by each woman?
[Answer]If the two men each bought 30 apples, together they bought 2 * 30 = 60 apples. Since the two men each bought 30 apples, 20 less than the total number of apples bought by each woman, each woman bought 20 + 30 = 50 apples. The total number of apples bought by the women is 3 * 50 = 150. Altogether, the two men and three women bought 60 + 150 = 210 apples. The answer is 210.

[Question]The profit from a business transaction is shared among 2 business partners, Mike and Johnson in the ratio 2:5 respectively. If Johnson got $2500, how much will Mike have after spending some of his share on a shirt that costs $200?
[Answer]According to the ratio, for every 5 parts that Johnson gets, Mike gets 2 parts. Since Johnson got $2500, each part is therefore $2500 / 5 = $500. Mike will get 2 * $500 = $1000. After buying the shirt he will have $1000 - $200 = $800 left. The answer is 800.

[Question]Sheila, Purity, and Rose want to rent a house. Sheila has offered to pay five times Purity's share of the rent. Rose can only afford thrice what Purity pays. If Rose's share is $1,800, what is the total house rent?
[Answer]
Purity will pay a third of Rose's share, which translates to 1800 / 3 = 600 dollars. Sheila has offered to pay 5 * 600 = 3000 dollars. Combining everyone's share of the rent will give a total of 600 + 3000 + 1800 = 5400 dollars. The answer is 5400.