A personal trainer designs exercise plans based on a combination of strength-training and aerobic exercise. A beginner plan has 15 minutes per session of strength-training and 20 minutes per session of aerobic exercise for a total of 90 minutes of exercise in a week. An advanced plan has 20 minutes per session of strength-training and 30 minutes of aerobic exercise for a total of 130 minutes of exercise in a week.
A
Each plan utilizes a combination of 2 strength-training sessions and 2 aerobic exercise sessions per week.B
Each plan utilizes a combination of 2 strength-training sessions and 3 aerobic exercise sessions per week.C
Each plan utilizes a combination of 3 strength-training sessions and 2 aerobic exercise sessions per week.D
Each plan utilizes a combination of 3 strength-training sessions and 3 aerobic exercise sessions per week.