a resturaunt has three job openings, dishwasher paying $5 per hour, chef paying $10 per hour, and assistant manager at $15 an hour. Twelve people apply for all three. How many ways can the new employees be hired?
dishwasher job can be filled by 12 different people, leaving 11 to fill the chef part, and finally 10 for the assistant
so 12x11x10 = ......