espinozanoemi447 espinozanoemi447 01-03-2021 Mathematics contestada The circle graph shows how Tremaine divided his time on the computer last week. Tremaine used the computer a total of 30 hours last week. How many more hours did Tremaine use the computer to play games than to do research? A. 1.5 hours B. 20 hours C. 6 hours D. 7.5 hours