Posted by kara on Thursday, November 18, 2010 at 4:16pm.
the perimeter of a rectangle is twice the sum of its width and it length. the perimeter is 40meters and its lenght is 2 meters more than twice its width.

college  PsyDAG, Friday, November 19, 2010 at 11:34am
L = 2W + 2
2L + 2W = 40
Substitute 2W+2 for L in second equation and solve for L. Insert that value into the first equation and solve for W. Check by inserting both values into the second equation.

college geometry  PsyDAG, Friday, November 19, 2010 at 11:36am
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