Question

If x unit of a product cost C dollars to manufacture and earn revenue of R dollars, the value of X where the expression for C and R are equal is called break-even quantity, the number of units that produce zero profit. Find the break-even quantity when c=14X+48000 and R=18X

Answer 1

Hmmm.
set R=C and solve for x.

Is there something you don't understand about that?