Question

A rainstorm produced a rainfall of 2 inches per hour how many hours would it take to get a rainfall amount of 1 foot

Answer 1

There are 12 inches in one foot. If it rains 2 inches per hour and we need one foot we need to look for a number that can be multiplied by 2 to get 12. 
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The answer is 6

Answer 2

6 hours because it takes 2 inches per hour, and there are 12 inches in a foot, and 6 times 2 is twelve. The answer is 6 hours