T(d) is a function that relates the number of tickets sold for a movie to the number of days since the movie was released The average rate of change in T(d) for the interval d = 4 and d = 10 is O. Which statement must be true?

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance