I will mark you brainlist!

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 video games than to do research?

Group of answer choices
6 hours

20 hours

7.5 hours

1.5 hours
Please explain the answer to me

I will mark you brainlist The circle graph shows how Tremaine divided his time on the computer last week Tremaine used the computer a total of 30 hours last wee class=