Question

The length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. The length of each side of the original square was

inches.

Answer 1

15 inches

Explanation:

let n = side length

(n + 2.5) x 4 = 70

4n + 10 = 70

4n = 60

n = 15