Homework Help: Algebra

Posted by Dakota on Thursday, January 3, 2013 at 9:24am.

the length of a rectangle is 7 cm more than its width. find the demensions of the rectangle if its perimeter is 50 cm.

Algebra - bobpursley, Thursday, January 3, 2013 at 10:10am
L=w+7
permiter=50=2L+2W=2(w+7)+2W=4W+14

4W=36
solve for W, then L

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