Please help

Two-types of patients come to the physical therapy clinic for treatment. New patients arrive at a rate of 15 patients per hour and spend 10 minutes in registration and 25 minutes with a therapist. Repeat patients arrive at a rate of 20 patients per hour and spend 5 minutes in registration and 5 minutes with a therapist. The staff consists of 1 registration employee and 3 therapists Instruction Round your answer to one decimal place How many repeat patients will be served each hour? repeat patients per hour