SOLUTION: The perimeter of a rectangle is 48 and the width is half the length. What are its dimensions?

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Question 310209: The perimeter of a rectangle is 48 and the width is half the length. What are its dimensions?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+2(2x)=48
2x+4x=48
6x=48
x=8
2x=16