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A bag of sand holds 1 cubic foot of sand. How many bags of sand are needed to fill a square sandbox measuring 5 feet long and 1 foot high?
Detailed Explanation
To find the volume of sand needed to fill the sandbox, we need to calculate the volume of the sandbox. The sandbox is in the shape of a rectangular prism with a length of 5 feet, a width (or depth) unknown, and height 1 foot. Since the sandbox is square, we can assume that the width is also 5 feet. Therefore, the volume of the sandbox is:

Volume = length x width x height
Volume = 5 feet x 5 feet x 1 foot
Volume = 25 cubic feet

Since each bag of sand holds 1 cubic foot of sand, we need to divide the volume of the sandbox by the volume of each bag to find the number of bags needed:

Number of bags = Volume of sandbox / Volume of each bag
Number of bags = 25 cubic feet / 1 cubic foot/bag
Number of bags = 25 bags
Therefore, we need 25 bags of sand to fill the square sandbox measuring 5 feet long and 1 foot high.
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