Caitlyn read a book. She started reading at 9:45 am and ended at 10:37 am. How many minutes did Caitlyn read?
9:45 is 15 mins away from 10:00. but caitlyn reads until 10:37 which is 37 mins away from 10:00. so you would add 15 mins plus 37 mins which would get you 52 mins.