The length of a rectangle is one inch less than three times its width. If the perimeter of the rectangle is 54 inches, find the

Question

3 years ago

7

length

1 answer:

CaHeK987 [17] · Answer 1 · 2022-02-16T04:22:01+03:00

7 0

w - width

3w - 1 - length

54 in - perimeter

w + w + (3w - 1) + (3w - 1) = 8w - 2 - perimeter

The equation:

8w - 2 = 54 <em>add 2 to both sides</em>

8w = 56 <em>divide both sides by 8</em>

w = 7

3w - 1 = 3(7) - 1 = 21 - 1 = 20

<h3>Answer: The length = 20 in.</h3>