Allen spends two-thirds of an hour on math homework three times a week and three-quarters of an hour on science homework two times a week. how long does allen spend on math and science homework each week?
Allen spends 40 mins per day
40 times 3 is 120 mins
Allen spends 120 mins on math homework per week
Allen spends 45 mins per day on science homework
45 times 2 is 90 mins
Allen spends 90 mins on science homework per week