What inequality will correctly represent the total sales if the salespersons salary is 700 per month with a 2 percent of the sales and they received a monthly income of at least 1800?

What inequality will correctly represent the total sales if the salespersons salary is 700 per month with a 2 percent of the sales and they received a monthly income of at least 1800?
Salary of 700 per month, income of 1800. So the income due to sales is 1800-700=1100. This is 2% = 0.02 of the sales, so the total is 1100/0.02=55000.