Mathematics, 21.08.2019 08:10, tyrickdavis1

Your heart rate rises when you exercise.
during aerobic exercise, your heart rate
should be at least 0.7(220 - a), but no
more than 0.85(220 - a), where a is your
age. find the target range if you are 14.
years old.

Answers: 1

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Your heart rate rises when you exercise.
during aerobic exercise, your heart rate
should...