SOLUTION: The width of a rectangle is four feet more than one-third of its length. The perimeter is 64 feet. What are the length and the width?

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Question 333714: The width of a rectangle is four feet more than one-third of its length. The perimeter is 64 feet. What are the length and the width?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2(1/3x+4)+2x=64
2/3x+8+2x=64
8/3x=56
x=56/1*3/8
x=168/8
x=21
1/3x+4=11