SOLUTION: The perimeter of a Jamaican flag is 60 inches. The length is twice its width. Find the dimensions of the flag.

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Question 1196598: The perimeter of a Jamaican flag is 60 inches. The length is twice its width. Find the dimensions of the flag.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
let the length be L and the width W
perimeter is P=2%28L%2BW%29
if the length is twice its width, we have L=2W
then
P=2%282W%2BW%29
P=2%283W%29
P=6W
if the perimeter of a Jamaican flag is 60 inches, then
60in=6W
W=10in

and
L=2%2A10in
L=20in

the dimensions of the flag: 20in by 10in