a car travels from one town to another with average speed of 40km/hr . if the first half distance is travelled at average speed 30km/hr. then find the average speed of the car at next half distance
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Answer:
10km/hr
Explanation:
Speed in total= 40km/hr
Speed of first half= 30 km/hr
Speed of second half= x
30 + x= 40
x= 40-30
= 10km/hr
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