Question

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.

Answer 1

on edge- Each plan uses 2 strength training sessions (x) and 3 aerobic sessions (y) each week.

Explanation:

Answer 2

what is the question for this problem?