SOLUTION: If a refrigerator is 2.8 feet by 2.5 feet by 5.5 feet, and the walls are 18 cubic feet, how many cubic feet are left for food?

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Question 857084: If a refrigerator is 2.8 feet by 2.5 feet by 5.5 feet, and the walls are 18 cubic feet, how many cubic feet are left for food?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
This seems only a matter of difference between one volume and another volume.

OutsideSpace-WallSpace=FoodSpace
2.8%2A2.5%2A5.5-18=FoodSpace
Food Space is 20.5 cubic feet