Question

he perimeter of a triangle is 240 feet. The second side is twice as long as the first side. The third side is 40 feet more than the first side. Find the measure of the first side. *

Answer 1

66 2/3

Explanation:

Let x be the length of the first side

Length of first side: x

Length of second side: 2x

Length of third side: x + 40

x + 2x + x + 40 = 240

3x = 240-40

3x = 200

x = 200/3

x = 66 2/3 (this is a mixed fraction)