SOLUTION: Hi Bob and John travelled from X to Y. The distance was 240km. Bob started 30min earlier than John but arrived 30min later than John.find bobs average speed if john travelled at 6

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Hi Bob and John travelled from X to Y. The distance was 240km. Bob started 30min earlier than John but arrived 30min later than John.find bobs average speed if john travelled at 6      Log On

John's travel time was   = 4 hours.


Bob's travel time was  4 hours + 30 minutes + 30 minutes = 5 hours.


Hence, Bob's average speed was   = 48 kilometers per hour.    ANSWER