Part A Katie drives 100 mi to a campground. On the way What is Katie's average speed on the way to the campground? to the campground, Katie drives half the distance at 31.0 mph and half the distance at 69.0 mph . On Express your answer with the appropriate units. her return trip, she drives half the time at 31.0 mph and half the time at 69.0 mph . LLA ? You may want to review (Page) . Value mph Submit Request Answer Part B What is her average speed on the return trip? Express your answer with the appropriate units. HA ? Value mph