SOLUTION: Mr. Trevino built a square sandbox measuring 7 feet by 7 feet. He wants to fill the sandbox to a depth of 18 inches with sand, as shown in the figure below. The sand comes in 50-po
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Question 747029: Mr. Trevino built a square sandbox measuring 7 feet by 7 feet. He wants to fill the sandbox to a depth of 18 inches with sand, as shown in the figure below. The sand comes in 50-pound bags. If each bag contains about 0.70 cubic feet of sand, how many bags are needed to fill the sandbox? Answer by josgarithmetic(39616) (Show Source):
You can put this solution on YOUR website! Try to keep all units as feet and pounds, or including cubic feet for volume. Recognize for convenience that 18 inches is one and a half feet.
Volume of the sandbox to fill is .
Use the ratio of 50 pounds .... what you need to know is 1 bag per 0.70 ft^3. You might also use it as 0.70 cubic feet per 1 bag.
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