a man covers first distance 20% of the distance at 10 km /hr ,next 50% at 5 km/hr and the remaining distance at 15 km/hr .find the average speed
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Answered by
1
Answer:
15
Step-by-step explanation:
10+5+15 is30 so30/2 is15
Answered by
2
Step-by-step explanation:
20%of100=20
50%of100=50
Rest =100-(50+20)=100-70=30
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