SOLUTION: The sides of a rectangle in the ratio 5:7 and the perimeter of the rectangle is 96cm. what is the area of the rectangle?

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Question 343487: The sides of a rectangle in the ratio 5:7 and the perimeter of the rectangle is 96cm. what is the area of the rectangle?
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
The perimeter of a rectangle is
P=2L%2B2W=96
2%285x%29%2B2%287x%29=96
10x%2B14x=96
24x=96
x=4
L=5x
highlight%28L=20%29cm
.
.
W=7x
highlight%28W=28%29cm