The width of the rectangle is 20% of its length. find the sides of a rectangle if its perimeter is 96 cm.

univerkov | June 21, 2021 | education

Let the length of the rectangle be X cm, then the width of the rectangle (20% * X) / 100% = 0.2X.

Since the perimeter of the rectangle is 96cm, we will compose the equation:

2 * (X + 0.2X) = 96;

2X + 0.4X = 96;

2.4X = 96;

X = 96 / 2.4 = 40.

The length of the rectangle is 40 cm.Calculate the width:

40 * 0.2 = 8 cm.

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