SOLUTION: The length of a rectangular box is 3 less than 3 times the width. The perimeter is 74 ft. Find the length of the box. Thanks

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Question 206852: The length of a rectangular box is 3 less than 3 times the width. The perimeter is 74 ft. Find the length of the box.
Thanks
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
w=x=10
l=3x-3=27
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p=2w+2l
2x+2(3x-3)=74
2x+6x-6+74
8x=80
x=10