Maria's resting heart rate is 240 beats per three minutes. What is her heart rate per minute?
To find Maria's heart rate per minute, we divide the resting heart rate by the number of minutes.
240 beats per three minutes can be written as 240 beats / 3 minutes.
To find the heart rate per minute, we divide 240 beats by 3 minutes.
240 beats / 3 minutes = 80 beats per minute.
Therefore, Maria's heart rate per minute is 80 beats.