SOLUTION: the width of a rectrangle is 3 feet less than its length. The perimeter of the rectangle is 70 feet. Find the dimensions. Prior useful knowledge: P=2L+2W How do I do this?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: the width of a rectrangle is 3 feet less than its length. The perimeter of the rectangle is 70 feet. Find the dimensions. Prior useful knowledge: P=2L+2W How do I do this?      Log On


   

Question 371088: the width of a rectrangle is 3 feet less than its length. The perimeter of the rectangle is 70 feet. Find the dimensions. Prior useful knowledge: P=2L+2W How do I do this?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2x+2(x-3)=70
2x+2x-6=70
4x=76
x=19
x-3=16