The revenue R from the sale of x cameras is given by R=68x−x2. The cost C of producing x cameras is given by C=90+49x. How many cameras must be produced and sold in order to break even?

Answer 1

R = C; 68x - x² = 90 + 49x; x² - 19x + 90 = 0; x = 9 or x = 10