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Mathematics, 11.07.2019 15:00 lmirandanvmi

The maximum heart rate, in beats per minute, that you should achieve during exercise is 220 minus your age, 220−a. your exercise goal is to improve cardiovascular conditioning. use the following formulas to answer parts a and b. lower limit of range h equals=seven tenths left parenthesis 220 minus a right parenthesis 7/ 10(220−a) upper limit of range hequals=four fifths 4/ 5(220 minus a220−a) a. what is the lower limit of the heart range, in beats per minute, for a 47-year-old with this exercise goal?

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