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Nitella [24]
3 years ago
9

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

Health
2 answers:
RoseWind [281]3 years ago
6 0
About 70 percent im pretty sure
nadya68 [22]3 years ago
4 0
I believe its by 50% but not 100% sure 
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