A motorist travelled 60 km in 1 hour and a further 90 km in 2 hours. His average speed, in km/hr, for the entire journey was
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Answer:
average speed=total distance travelled/total time taken
Step-by-step explanation:
according to the question
total distance travelled=60+90km=150km
total timr taken=1+2houts=3 hours
average speed=150÷3
=50
average speed=50km/hr
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