Mr. Randall's work hours consist of regular and overtime hours. The table below shows the number of hours of each type he worked each week for six weeks. Mr. Randall's Work Hours Week Number 1 2 3 4 5 6 Number of Regular Hours 40 40 40 40 40 31 Number of Overtime Hours 16 6 10 4 8 0 What fraction of Mr. Randall's work hours for weeks 2, 3, and 4 combined were over time.​