Hi Let x represent how many workers are there in all x = .80x + 600 .20x = 600 x = 600/.20 = 3000 2400 + 600 = 3000 checks. Wish You the Best in your Studies.
Let x be "how many workers are there in all". Then 0.2x is 660 0.2x = 660. Hence, x == = 3300. ANSWER. In all, there are 3300 workers at the company.