1. How many square feet of cardboard does Jessica need to make a rectangular prism with length of 16 inches, width of 9 inches, and height of 4 inches?
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Step-by-step explanation:
Cardboard required=2(lb+bh+lh)
=2(16*9 + 9*4 + 16*4)
=2(144 + 36 + 64)
=2(244)
=488 inches squared
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