Answer this question:John has started at a job he works every day 10 days ago. So far, he's made $250. How many more days must John work before he makes twice this amount, assuming he makes the same amount every day?
John has made $250 in 10 days, so this means he makes $250 / 10 = 25 dollars a day. Since John wants to make double his current amount, this means he wants to make 250 * 2 = 500 dollars. This means John needs to work 500 / 25 = 20 days in total to make 500. As John has already worked 10 days, this means he needs to work 20 - 10 = 10 more days to make his goal.
The answer is 10.

Answer this question:Ben has 8 apples more than Phillip does. Tom has three eighths as many apples at Ben has. If Phillip has 40 apples, how many apples does Tom have?
Ben has 40 + 8 = 48 apples. There are 48 / 8 = 6 apples in every eighth. Tom has 6 * 3 = 18 apples.
The answer is 18.

Answer this question:Tim spends 1 hour a day meditating. He spends twice as much time reading. How much time a week does he spend reading?
He spends 2 * 1 = 2 hours reading. So he reads for 2 * 7 = 14 hours a week.
The answer is 14.

Answer this question:Susan has 3 fish tanks to fill. 1 fish tank contains 7 goldfish and 8 beta fish. The second fish tank contains twice as many fish as the first tank and the third fish tank has a third of the number of fish in the second fish tank. How many fish are in the third fish tank?
In the first fish tank, there are 7 goldfish + 8 beta fish = 15 fish. The second fish tank therefore has 15 fish in the first tank * 2 = 30 fish. So the third tank has 30 fish in the second fish tank / 3 = 10 fish.
The answer is 10.