Today Kevin worked on homework for 4/5 of an hour in the morning, 6.3 hours in the afternoon and another 180 min in the evening. How much time did Kevin spend working on homework?
Kevin spent 10 hours and 10 mins. working on homework. 4/5 of an hour =40 mins. 180÷60= 3 hours. 6.3 hrs. + 3 hrs.= 9.3 hrs. 9.3 hrs. + 40 mins.=10 hrs. and 10 mins.
