math
posted by Tim .
Enya is building a storage cupboard in the shape of a rectangular prism. The rectangular prism has a square base with side lengths of 2.5 feet and height of 3.5 feet. Compare the amount of paint she would use to paint all but the bottom surface of the prism to the amount she would use to paint the entire prism.
THANK YOU!!

math 
Steve
all: 2*2.5^2 + 4*2.5*3.5
to exclude the bottom, subtract 2.5^2 from that total.
now compare in whatever way you want.
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