SOLUTION: The length of a retangle is three times width . If the perimeter is 128 Find the length

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Question 15526: The length of a retangle is three times width . If the perimeter is 128 Find the length
Answer by venugopalramana(3286) About Me  (Show Source):
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let the length of rectangle be ...L
let the width of rectangle be ...W
three times width = 3w = L
perimeter =2*L+2*W= 128
2*3*W+2*W = 128
8*W = 128....
W = 128/8 = 16
L=3*W=3*16 = 48