Answer: B. He should jog for 30 minutes 5 days a week.
Step-by-step explanation:
On the American Heart Associations website it says, "Get at least 150 minutes per week of moderate-intensity aerobic activity or 75 minutes per week of vigorous aerobic activity, or a combination of both, preferably spread throughout the week."
i also did this exact question and got it right so hope that helps.