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2024HornCE
A. 55%
because you have to add 21 and 45 then you divide the answer -66- by how much 2 hours is in minutes. The you get 0.55, so it equals 55% 
selaynekeenan12
2 hours is 120 minutes.
If you take 21 divided by 120 mutiplied by 100 that gives you 17.5% of stretching
Then you take 45 divided by 120 multiplied by 100 that gives you 37.5% of jogging
100-17.5=82.5
82.5-37.5=45

b) 45%