SOLUTION: in a rectangle the ratio of the length to the width is 5:2 , and its perimeter is 126 centimeters, find the width of the rectangle. can you show me how to solve the problem. i alr

Algebra ->  Rectangles -> SOLUTION: in a rectangle the ratio of the length to the width is 5:2 , and its perimeter is 126 centimeters, find the width of the rectangle. can you show me how to solve the problem. i alr      Log On


   



Question 543730: in a rectangle the ratio of the length to the width is 5:2 , and its perimeter is 126 centimeters, find the width of the rectangle.
can you show me how to solve the problem. i already know the answer is 18.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2(5x)+2(2x)=126
10x+4x=126
14x=126
x=126/14
x=9
5x=45
2x=18