4 years ago

The length of a rectangle is 11 in. longer than its width. The perimeter of the rectangle is 86 in.

1 answer:

6 0

$L=w+11 \\\\P=86in \\P=2L+2w \\\\ 2(w+11)+2w=86 \\\\ 2w+22+2w=86 \\\\ 4w=86-22 \\\\ 4w=64 \\\\ \boxed{w=\frac{64}{4}=16in} \\\\L=16+11 \\\\ \boxed{L=27in}$

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