Oswaldo earns a salary of $1,500 per month plus an 9% commission on all of his sales. He wants to earn at least $6,400 next month. Write an inequality and solve to show what his total sales s must be in order for Oswaldo to reach his goal.
1500 + 0.09X is greater than or equal to $ 6,400 subtract 1500 from each side 0.09X greater than or equal to 4900 divide each side by 0.09 and this equals $ 54444.4 .
