SOLUTION: A rectangle is 3 ft longer than it is wide. It's perimeter is 15 ft, find it's length & width .

Algebra ->  Rectangles -> SOLUTION: A rectangle is 3 ft longer than it is wide. It's perimeter is 15 ft, find it's length & width .      Log On


   

Question 892836: A rectangle is 3 ft longer than it is wide. It's perimeter is 15 ft, find it's length & width .
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+2(x+3)=15
4x+6=15
4x=9
x=9/4
x=2.25
x+3=5.25