Question

The Smith family owns a vacation home, and they go on a trip. They start from a parking spot in front of their house. - At first, the car averages 62.9 km/hr for 2.36 hours, and they reach their vacation home. - Then they drive at an average 59.6 km/hr for 3.99 hours while they do some sightseeing. - Finally, they drive at an average 44.4 km/hr for 6.52 hours, parking in the same spot as they started. Find the average speed of their car, in km/hr, over the entire trip.

Answer 1