Hi, P = = 500 ⇒ l + w = 250 The length of a rectangle is 9 times its width 9x + x = 250 10x = 250 x = 25, the width. The length is 225 CHECKING our answer*** 25 + 225 = 250 0r 50 + 450 = 500 Wish You the Best in your Studies.