5. A truck travels some distance at a speed of 35 km h in 120 min and the remaining distance at
a speed of 48 km h-in 90 min. Determine the:
(b) average speed of bus for the whole journey.
(a) total distance covered.
(b) average speed over the entire journey.
6. A bus covers a total distance of 740 km, out of which it covers 156 km at 52 km 5', 146 km at
the speed of 36.5 km h- and it covers the remaining distance in 5 hours. Determine:
(a) speed of bus to covers remaining distance.
7. An aeroplane goes from country A to country B with an average speed of 450 km h' and returns
with an average speed of 300 km h-!. Find the distance between the two countries if the flight
takes 15 hours in all.
8. Find the distance covered (in km) by a bike in 4 minutes at a speed of 63 km h !.
Share
Answer:
How did cultural exchange affect ancient civilizations?
Step-by-step explanation: