Question

Choose what the expressions below best represent within the context of the word problem. The length of a rectangle is 12 inches more than its width. What is the width of the rectangle if the perimeter is 42 inches? x best represents . x + 12 best represents .

Answer 1

Let the width be x and the length be x+12.

Then,

x+x+12+x+x+12=42

4x+24=42

4x=18

x=92

The width is 92 inches.

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