HELP ME THIS IS EXTRA CREDIT!!!!!!! 


Mandy’s monthly earnings consist of a fixed salary of $2800 and an 18% commission on all her monthly sales. To cover her planned expenses, Mandy needs to earn an income of at least $6400 this month.

Part A: Write an inequality that, when solved, will give the amount of sales Mandy needs to cover her planned expenses.

Part B: Solve the inequality to state the amount of sales Mandy needs to cover her expenses.

(HINT: Write it as an equation first, and then change the = sign to an inequality sign ≥)