Me this is extra !
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 ≥)