Your friend Janelle is interested in calculating her maximum heart rate before she begins her aerobics class. You tell her she can do this by

a. multiplying her age by 2 and adding 100.
b. adding her age to 220 and dividing by 2.
c. adding her age to 220.
d. subtracting her age from 220.


ANSWER: d

Sociology

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A. Responsibility B. Emotional C. Task D. Spiritual

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