Question

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

Answer 1

In Edgenuity the answer is b. 560 cm2

Answer 2

Let length and width be 5x and 7x.
2*(5x+7x)=96
24x=96
x=4

Area:
(5*4)(7*4)
=20*28
=560 unit square