Problema Solution
a telephone technician charges $40.00 per hour plus a $45.00 service charge. Your fathers firm hires him to hook up his company's phone system. Find the total charges if it takes the telephone technician 4.5 hours to complete the task.
Answer provided by our tutors
total charges = 4.5 hours will cost 4.5*40 + the service charge
40*4.5 + 45 = 180 + 45 = $225