Question

Stefanhasalreadyspent1minuteonthephone,andheexpectstospend2moreminuteswitheveryphonecallheroutes.Inall,howmanyphonecallsdoesStefanhavetoroutetospendatotalof43minutesonthephone?

Answer 1

Stefan has already spent 1 minute on the phone, and he expects to spend 2 more minutes with every phone call he routes. In all, how many phone calls does Stefan have to route to spend a total of 43 minutes on the phone?