SOLUTION: A rectangle is 8 feet longer than it is wide. Its perimeter is 64. Find the length and the width.

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Question 891180: A rectangle is 8 feet longer than it is wide. Its perimeter is 64. Find the length and the width.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a rectangle,
P%5Br%5D=2%2A%28L%2BW%29
You also know,
L=W%2B8
Substitute,
2%2A%28W%2B8%2BW%29=64
2W%2B8=32
2W=24
W=12
Then,
L=12%2B8
L=20