5. What is the 60% of HRR if the age is 25 and the RHR is 63?
A. 79.1
B. 79.2
C. 79.3
D. 79.4
6. What is the 80% of HRR if the age of 25 and the RHR is 65?
A. 100
B. 102
C. 104
D. 106
7. What is the 60% of HRR if the age is 32 and the RHR is 73?
A. 68
B. 69
C. 70
D.71
8. What is the 80% of HRR if the age is 32 and the RHR is 73?
A. 90
B. 91
C.92
D. 93​