sncstfdw9h sncstfdw9h 18-05-2023 Biology contestada There is a woman aged 20. Her maximum heart rate is 220-age making her maximum heart rate 200 bpm. Her resting heart rate is 66 bpm. (MHR) 200- (RHR) 66= 134 x.60= 80.4 + (RHR) 66=__________ Lower limit of target heart rate zone.