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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%?​

User ADmad
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Answer:solve for x

Step-by-step explanation:

This is correct

User Gage Hendy Ya Boy
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