Mathematics, 10.11.2020 01:00 choiboiqg5755

(PLZ HELP THIS IS ALGEBRA) For his workout, the increase in Jacob's heart rate is directly proportional to the amount of time he has spent working out. If his heartbeat has increased by 8 beats per minute after 20 minutes of working out, how much will his heartbeat have increased after 30 minutes of working out?

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(PLZ HELP THIS IS ALGEBRA) For his workout, the increase in Jacob's heart rate is directly proporti...