Question

The length of a rectangle is 3 times the width. The area of the rectangle is 48 square inches. What is the length of the rectangle?

Answer 1

let the width be x

so 3x × x = 48

=> 3x^2 = 48

=> x^2 = 16

=> x = 4

So the length = 4×3 = 12 inches

breadth= 4 inches

Hope it helps