SOLUTION: I need help with this question : The perimeter of a rectangle is 126 cm. The ratio of the length to the width if 5:2. Find the width of the rectangle.

Algebra ->  Rectangles -> SOLUTION: I need help with this question : The perimeter of a rectangle is 126 cm. The ratio of the length to the width if 5:2. Find the width of the rectangle.      Log On


   



Question 290367: I need help with this question :
The perimeter of a rectangle is 126 cm. The ratio of the length to the width if 5:2. Find the width of the rectangle.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2*(5x+2x)=126
14x=126
7x=63
x=9
2x=18 =width