Posted by Ms. L on Wednesday, March 28, 2012 at 12:50am.
A window is shaped like a rectangle whose perimeter is 400 inches the length is 7 times as long as the width find the length and the width?

Statistics  PsyDAG, Friday, March 30, 2012 at 2:22am
If x = width, then length = 7x
400 = 2x + 2(7x)
Solve for x.