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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?
Guest Feb 14, 2012
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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?



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]
admin  Feb 14, 2012

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