atd0e8vedoritsjackg atd0e8vedoritsjackg
  • 20-10-2016
  • Mathematics
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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.

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sakarpathak111
sakarpathak111 sakarpathak111
  • 20-10-2016
v1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
   =2*30*20/(30+20)
   =24km/hr
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