31. A day care center has 160 feet of fence that was donated to construct a fence around a play area. The area is to be rectangular with its length 12 feet longer than its width. Assuming all of the fence is used, what will be the approximate dimensions, in feet, of the play area?

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

Because the circumference is 160, the sum of the length and width is 80, and because the length is 12feet longer than the width, so assuming that the width is x, x+12+x=80, the calculated length and width are 46 and 34 respectively. Therefore choose B