It takes Marty 11/4 hours to get ready for school. If 1/5 of that time is used to shower and 1/3 of that time is used to eat breakfast, how long does it take him to shower and eat breakfast?
1 answer
T = (1/5 + 1/3) * 11/4 = (3/15 + 5/15) * 11/4 = 8/15 * 11/4 = 88/60 = 1.5 h.