Don L. answered • 01/18/18

Tutor

5
(12)
Fifteen years teaching and tutoring basic math skills and algebra

Hi Sam, let x represent the number of CDs he has to sell to break even.

The inequality is: 12x - 1000 ≥ 0

Solve:

12x - 1000 ≥ 0

12x ≥ 1000

x ≥ 83.33 rounded, or 84 CDs.

Tim has to sell a minimum of 84 CDs to show a profit.

Questions?