To find out how many calories would be burned in 15 minutes if you burn 300 calories in an hour, we can use proportional reasoning.
We know that in one hour (60 minutes), you burn 300 calories. Therefore, in one minute you would burn:
300 calories ÷ 60 minutes = 5 calories/minute
To find out how many calories you would burn in 15 minutes, we can multiply the rate of calories burned per minute by the number of minutes:
5 calories/minute x 15 minutes = 75 calories
So you would burn 75 calories in 15 minutes.