A snowstorm dumped 18 inches of snow in 12 hours. How many inches of snow fell in 1 hour?

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2.5 inches

1.5 inches

4 inches

6 inches

answer is B.

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Detailed Solution

Concept-
In this question, we will consider x inches of snowfall per hour. From the previous statement, create an equation and find x. The number of inches of snow that fall in a period of one hour will represent the value of x.
Let us suppose that the rate of snow falling is x inches per hour.
As the rate is uniform, the amount of snow dumped in 12 hours

However, the answer indicates that the amount of snow fallen in a 12 hours period is 18.
So, we have

By dividing both sides with 12, we get
Question Image

As a result the amount of snow that falls in 1 hour is 1.5 inches.
Hence, the correct answer is option 2) 1.5 inches

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