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A person jogs 4.0 km in 32 minutes , then 2.0km in 22 minutes and finally 1.0km in 16 minutes . What is the joggers average speed in km per minute?

Respuesta :

total distance =4km +2km +1km=7km
Total time =32+22+16=70min

average speed= total distance/total time
=7/70 km/minute
=0.1km/min

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