SOLUTION: The length of a rectangle is 5cm greater than its width and its area is 150 cm2. The perimeter of the rectangle is

Algebra ->  Rectangles -> SOLUTION: The length of a rectangle is 5cm greater than its width and its area is 150 cm2. The perimeter of the rectangle is      Log On


   

Question 1090331: The length of a rectangle is 5cm greater than its width and its area is 150 cm2. The perimeter of the rectangle is
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, the width:
%28x%2B5%29x=150
x%5E2%2B5x=150
x%5E2%2B5x-150=0
%28x-10%29%28x%2B15%29=0
highlight%28x=10%29-----width

To find perimeter's value,
2%2A%2810%2B5%29%2B2%2A10