Kevin bought 4 bags of gravel to cover the bottom of his fish tank. He has 5 pounds of gravel left over. How much gravel did Kevin use to cover the bottom of the tank?

He used 371 pounds of gravel to cover the bottom of the tank

Explanation:

Here, we want to calculate the amount of gravel used by Kevin to cover the bottom of the tank.

Firstly we need to know the amount of pounds in 4 bags of gravel

There are 94 pounds in a bag

So in 4 bags, we have 94 * 4 = 376 pounds

Since he has 5 pounds left

The amount of bags used to cover the bottom of the tank will be 376-5 = 371 pounds

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