The length of a rectangle is 3 cm more than its width. If the perimeter is 26 cm, what is the width?
Note
Let the width be w. Then length is w + 3. Perimeter is 2(length + width), so 2((w + 3) + w) = 26. This gives 4w + 6 = 26, so w = 5 cm.
The length of a rectangle is 3 cm more than its width. If the perimeter is 26 cm, what is the width?
Let the width be w. Then length is w + 3. Perimeter is 2(length + width), so 2((w + 3) + w) = 26. This gives 4w + 6 = 26, so w = 5 cm.