The length of a rectangle is 5 cm more than its width. If the perimeter is 54 cm, what is the width?
Note
Let the width be w. Then length is w + 5. Perimeter is 2(length + width), so 2((w + 5) + w) = 54. This gives 4w + 10 = 54, so w = 11 cm.
The length of a rectangle is 5 cm more than its width. If the perimeter is 54 cm, what is the width?
Let the width be w. Then length is w + 5. Perimeter is 2(length + width), so 2((w + 5) + w) = 54. This gives 4w + 10 = 54, so w = 11 cm.