Posted by marilu on Wednesday, February 27, 2013 at 11:42pm.
The length of a rectangle is 10 in less than twice its width. if the area is 2160 what are the dimensions?

algebra  PsyDAG, Thursday, February 28, 2013 at 11:21am
L = 2W 10
L * W = 2160
Substitute 2W10 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.