Question

the perimeter of a rectangle is 72 ft. the ratio of the length to width is 5:4. what are the dimensions of the rectangle?

Answer 1

Answer: 20 by 16

Explanation:

5:4 OR 5x:4x

Perimeter = 2(l x w)

P = 2(5x x 4x)

P = 10x + 8x = 18 x

18x=72

x=4

5 x 4 = 20

4 x 4 = 16