Markvillada32go Markvillada32go Health Answered etches or gentle nts during work out. a Warm-up b. Work out c. Cool down 10. How would you solve your MHR if you are 17 years old ? d none of the above a. MHR=220+ 17 b. MHR=220-17 c. MHR=17 +202 d. MHR=202-17