The length of a rectangle is six inches more than its width. If the perimeter of the rectangle is 24 inches, find its dimensions.

Answer 1

Let x be the length and y the width of the rectangle. Then we have x=y+6 and 2x+2y=24 which implies that 2y+12+2y=24 or 4y=12 or y=3. Thus, x=9.