The perimeter of the rectangle is 60 cm. The width of the rectangle is 4 cm less than the length.

The perimeter of the rectangle is 60 cm. The width of the rectangle is 4 cm less than the length. What are the length and width of the rectangle?

By condition: the width of the rectangle is 4 cm less than the length.
Let the length of the rectangle be x + 4 cm, then the width of the rectangle is x cm
The perimeter of a rectangle is the sum of the lengths of all its sides.
x + 4 + x + 4 + x + x = 60
4x + 8 = 60
4x = 52
x = 13 – the width of the rectangle, then 13 + 4 = 17 – the length of the rectangle
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