Medical receptionist Mariel is a receptionist working for a medical doctor. She uses the formula ND=0.95T to relate the variables N(the number of patient appointments she schedules for the doctor in one day), D(the duration of each patient appointment), and T(the total number of minutes the doctor can use to see patients in one day).
A. Solve the formula for N
B. Use this result to find the number of patient appointments N Mariel should schedule if the doctor has 6 hours available for patients and each appointment is 30 minutes long. (Round your answer to the nearest whole number).