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