Bob travelled from City A to City B at an average speed of 30 kilometers/hour. For hisreturn trip he took a different route. The average speed of the return trip was 2/3 of the speed of the trip from City A to City B and the route he took from city A to City B is 1/5 longer than that of the return route. What is the average speed of total trip in kmph
(rounded to the nearest tenths place)?