SOLUTION: a sheet of gift wrapper has an area of 864inches squared how many sheets needed to wrap a square box with an edge of 20 inches? thank you sir i realy realy need it

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Question 800709: a sheet of gift wrapper has an area of 864inches squared
how many sheets needed to wrap a square box with an edge of 20 inches?

thank you sir i realy realy need it
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Total surface area of cube = 6 l^2
= 6*20^2
=6*400
=2400 sq. inches
Number of sheets required = 2400/864
=2.78
3 sheets will be required