guppygalaxy123 guppygalaxy123 04-02-2021 Mathematics contestada 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.Question 1a. Find the heart rate in beats per minute at rest and while running.b.How many more times does your friend's heart beat in 3 minutes while running than while at rest?