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Posted by on Saturday, November 17, 2012 at 8:15am.

we had to go 30km through the city and then 30km through the country.Through the city we averaged 40km/h and through the country we averaged 60km/h.What was our average speed for the entire journey ?

  • math - , Monday, November 19, 2012 at 9:20pm

    V = (40+60)/2 = 50 km/h.

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