contestada

220 - 30 = 190 - 62 = 128
128 x.60 = 76.8 +62 = 138.8 = 139
128 x .85 = 108.8 +62 = 170.8 = 171
Using the above formula, which number is the Target Heart rate at 90%?

Respuesta :

Answer:

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Explanation:

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