Two persons start from the same place riding in the same direction at 20 km/h and 15 km/h
respectively. After how many hours will they be 30 km apart?
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Answer:
Step-by-step explanation:
given:
Relative Distance = 030km
Speed of person A =020km
Speed of person B= 15km
Relative speed when person A and B move in same direction is 20-155 =
5km/h
we know, time= distance/
therefore,
Time= 30 / 05
= 6 hours
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