SOLUTION: A rectangular yard is twice as long as it is wide. The perimeter is 120 ft. What are the yards dimensions?

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Question 269409: A rectangular yard is twice as long as it is wide. The perimeter is 120 ft. What are the yards dimensions?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
A rectangular yard is twice as long as it is wide. L=2W
The perimeter is 120 ft. P=120
P=2L+2W
120=2%282W%29%2B2W
120=6W
20=W
________
L=2W
L=2%2820%29
L=40
________
CHECK
P=2L%2B2W
120=2%2840%29%2B2%2820%29
120=80%2B40
120=120
correct