Adishwasher salesman whose base pay plus commissions amount to $30,605 last year earned a commission of 12.5% on each dishwasher sold. if each dishwasher he sold cost $1100 and if his base pay was $28,680, how much dishwashers did the salesman sell last year? a. 13 b. 12 c. 11 d. 14

D. 14

Step-by-step explanation:

Given: The base pay of salesman = $28,680

The percent of commission on each dishwasher sold = 12.5% =0.125

The cost of each dishwasher sold = $1100

Then the equation models the situation to find the total earning (y) for total cost of dishwasher (x) is given by :-

Since, The base pay plus commissions of sales man= $30,605

Then ,we have

Since,  cost of each dishwasher sold= $1100

Therefore, the number of dishwasher he sold =