Exercise 51

Rebecca sells cars for a living. Each month, she earns \({\$2{,}000.00}\) of base pay, plus a certain percentage of commission from her sales.

One month, Rebecca made \({\$52{,}500.00}\) in sales, and earned a total of \({\$3{,}186.50}\) in that month (including base pay and commission). What percent commission did Rebecca earn?

Rebecca earned in commission.