SOLUTION: If the perimeter of a rectangle is 70 inches. What is the perimeter of a rectangle that has twice the width and twice the height of the first rectangle?
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Question 268030: If the perimeter of a rectangle is 70 inches. What is the perimeter of a rectangle that has twice the width and twice the height of the first rectangle?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
p=2l+2w=70
2*2l+2*2w=2*(2l+2w)=2*70=140
check
let's test 15 and 20 as the original sides
2*15+2*20=70
2*30+2*40=60+80=140
ok
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