The perimeter of a rectangle is 72 inches, and its length is 20 inches. What is the width of the rectangle?
P=2×(length + width)
Given that the perimeter (P) of the rectangle is 72 inches and the length is 20 inches, we can substitute these values into the formula and solve for the width (W):
72 inches=2×(20 inches + width)
First, let's simplify the equation:
72 inches=40 inches+2×width
72 inches−40 inches=2×width
32 inches=2×width
Now, let's divide both sides by 2 to isolate the width:
width=32/2 inches
width=16 inches
Therefore, the width of the rectangle is 16 inches.
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