Asked by Anonymous

An equilateral triangle has a perimeter of 15x +18. What is the length of each side of the triangle?
Answered by Ms. Sue
I did the last two problems for you. Now it's your turn.

I'll be glad to check your answer.
Answered by Bosnian
P = 3 a

a = P / 3 = ( 15 x + 18 ) / 3 = 5 x + 6