Dianahasalreadyspent600minutesonthephone,andsheexpectstospend2moreminuteswitheveryphonecallsheroutes.Inall,howmanyphonecallsdoesDianahavetoroutetospendatotalof772minutesonthephone?

Answer 1

To figure how many call she has to route, first we need to figure how many more minutes she needs to route to get to the goal.

772 - 600 = 172

If each phone call is 2 minutes, 172/2 = 81.

She has to route 81 more calls