Question

To set your intensity level, you need to __________.

A.
use your maximum heart rate, which is determined by subtracting age from 220
B.
exercise for a minimum of 60 minutes each session
C.
increase your resting heart rate by increasing the weights you lift each week
D.
determine what it is by subtracting your age from 2,000 calories

Answer 1

A) is the the only logical answer because, to determine your maximum heart rate. You're supposed to subtract your age from 220.

Answer 2

A) use your max heart rate, which is determined by subtracting age from 220

hope this helps :)