Two friends wants to travel from Thunder Bay to Sault Ste Marie.

Alex drives at 80 km/h from Thunder Bay to Nipigon, Marathon, Wawa to

Sault Ste. Marie. He stops in each city for one hour.

Barry waits 4 hours in the airport, then flies at 150 km/h directly from

Thunder Bay to Sault Ste. Marie. He has to wait 30 minutes to collect his

luggage

Calculate the amount of time it takes each friend to arrive in Sault Ste.

Marie.

Who arrives first?



Answer :