SOLUTION: The plans for a rectangular deck call for the width to be 10ft less than the length. The overall perimeter of the deck is 56ft. What should the length be?
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Question 360362: The plans for a rectangular deck call for the width to be 10ft less than the length. The overall perimeter of the deck is 56ft. What should the length be?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
W=L-10
2L+2W=56
2L+2(L-10)=56
2L+2L-20=56
4L=56+20
4L=76
L=76/4
L=19 FT IS THE LENGTH.
W=19-10=9 FT. IS THE WIDTH.
PROOF:
2*19+2*9=56
38+18=56
56=56
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