math

Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference.

Find the optimal heart rate for a 40-year-old and for a 10-year-old.

Rounded to the nearest whole number, the optimal rate for the 10-year-old is _____% greater than the optimal rate for a 40-year-old.

  1. 👍 0
  2. 👎 0
  3. 👁 80
asked by taylor
  1. 0.8(220 - 40) =

    0.8(220 - 10) =

    Take it from there.

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