BIG IDEAS MATH ODO
EC > Chapter 5: Ratios and Rates > Section Exercises 5.1 > Exercise 35
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.
a. Find the heart rate in beats per minute at rest and while running.
While at rest, the heart rate is
beats per minute. While running, the heart rate is
beats per minute.
b. How many more times does your friend's heart beat in 3 minutes while running than while at rest?
Your friend's heart beats
more times while running.
35