SOLUTION: find the length of a rectangle with a perimeter of 72 meters if the length is three times the width

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Question 150356: find the length of a rectangle with a perimeter of 72 meters if the length is three times the width
Answer by nerdybill(7384) About Me  (Show Source):
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find the length of a rectangle with a perimeter of 72 meters if the length is three times the width
.
Let W = width
then
3W = length
.
Perimeter is the sum of the four sides of the rectangle:
W+W+3W+3W = 72
8W = 72
W = 9 meters (width)
.
And,
3W = 27 meters (length)