A car travels at a speed of 55 km/h for 2.4 h. How far has the car traveled during this journey?

a delivery truck makes four deliveries during the day. if the truck travels 6.7 km in 0.12h for its first delivery, 8.3 km in 0.39h for the second delivery, 29.9km in 0.45h for the third delivery and lastly 17.3 km in o.31 for the fourth delivery. what is the average speed of the delivery truck for the entire day