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the perimeter of the rectangle is 70. the length of the rectangle is five less than three times the width. find the width of the rectangle?

HELP?
 Feb 14, 2012

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 #1
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hodes:

the perimeter of the rectangle is 70. the length of the rectangle is five less than three times the width. find the width of the rectangle?

HELP?



l: length
w: width
P: perimeter

P=2*(l*w)=70
l=3*w-5

2 equations:
2*(l*w)=70
l=3*w-5

[input]solve( 2*(l*w)=70, l=3*w-5 )[/input]
 Feb 14, 2012

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