Question

A square and an equilateral triangle have the same perimeter.Each side of the triangle is 5 inches longer than each side of the square. What is the perimeter of the square.

Answer 1

side of square --- x
side of triangle = x+5

so 4x = 3(x+5)
4x = 3x + 15
x = 15

perimeter of square = 4x = 60

Answer 2

The perimeter of an equilateral triangle is 5inches more than the perimeter of a​ square, and the side of the triangle is 4inches longer than the side of the square. what is The side of the triangle.