27-01-2017
Health

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Target heart rate is determined by subtracting your age from 220 and then multiplying that number by which percent?

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abbyperry0114 abbyperry0114

27-01-2017

i believe its by 50% but not 100% sure

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sophiconnealy sophiconnealy

30-01-2017

about 70 percent im pretty sure

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