Question

A rectangle is three times as long as it is wide. The perimeter is 36 cm. What is the length of each side?

Answer 1

length is 13.5 cm
width is 4.5 cm

Explanation:

let the width `=x`
let the length `=3x`

`P=36=x+3x+x+3x`

`36=8x`

`x=4.5`

`3x=13.5`