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

Question

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.

Answer 1

0.8(220 - 40) =

0.8(220 - 10) =

Take it from there.