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4 votes
What is the estimated maximum heart rate for a 21 year old?

Select one:
a. 155
b. 199
c. 211
d. 177

User XxinerKYU
by
8.2k points

2 Answers

3 votes

Answer:

B. 199

Step-by-step explanation:

User Gohel Kiran
by
7.8k points
4 votes
B. 199
220-21= 199
199 * 0.50 = 100
199 * 0.75 = 149.
Hope this helps.
User John Bautista
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8.2k points