Question

The length of a rectangle is three times its width of the perimeter of the rectangle is 40 yd find its length and width

Answer 1

Explanation:

L= 3W

Perimeter = 2(l+w) = 40

2(3w+w) = 40

2*4w = 40

8w =40

w = 5

l = 3*5 = 15