The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000. How many subscribers are needed to bring a total profit of $153,525?

Answer 1

If you mean the increase occurs only for those in excess of 3000, then you have

(20)(3000) + (20+0.01)(x-3000) = 153525

Answer 2

7,674