Mathematics, 22.12.2019 21:31, lol23051

Your friend's heart beats 18 times in 15 seconds when at rest. while running, your friend's heart beats 25 times in 10 seconds. what is your friend's heart rate in beats per minute at rest and while running? how many more times does your friend's heart beat in 3 minutes while running than while at rest?

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Your friend's heart beats 18 times in 15 seconds when at rest. while running, your friend's heart be...