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Today, 17:14

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. Which statement describes when the plans are based on the same number of aerobic exercise sessions? Each plan utilizes a combination of 2 strength-training sessions and 2 aerobic exercise sessions per week. Each plan utilizes a combination of 2 strength-training sessions and 3 aerobic exercise sessions per week. Each plan utilizes a combination of 3 strength-training sessions and 2 aerobic exercise sessions per week. Each plan utilizes a combination of 3 strength-training sessions and 3 aerobic exercise sessions per week.

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  1. Today, 18:26
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    Each plan utilizes a combination of 2 strength-training sessions and 3 aerobic exercise sessions per week.

    90 = 15 (2) + 20 (3)

    90 = 30 + 60

    90 = 90

    130 = 20 (2) + 30 (3)

    130 = 40 + 90

    130 = 130.
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