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AfilCa
[17]
3 years ago
9
If you bike for 60 kilometers at 30 kilometers per hour and return at 20 kilometers per hour, what is the average speed for the
whole trip.
Mathematics
Answer
Comment
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1
answer:
matrenka
[14]
3 years ago
8
0
V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr
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