a salesperson earns base salary of 1475 per month and a comm

a salesperson earns base salary of 1,475 per month and a commission of 8.4% on the amount sales. if the salesperson has a paycheck of 4,637.60 for one month, what was amount of sales for the month?

Solution

Let the amount of sales be x:

Let sales function be denoted by S(x)

S(x) = 1475 + x*0.084

If S(x) = 4637.60

4637.60 =  1475 + x*0.084

3162.6 = 0.084x

x = $ 37650 (Amount of sales)