SOLUTION: A car has to cover a distance of 10km.It covers a distance of first 4km at a speed 40km/h.How fast should the car travel while covering the remaining distance so that its average s
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Question 881548: A car has to cover a distance of 10km.It covers a distance of first 4km at a speed 40km/h.How fast should the car travel while covering the remaining distance so that its average speed for the entire trip is 60km/h?
Answer by josgarithmetic(39631) (Show Source): You can put this solution on YOUR website!
, all units based on kilometers, hours. r is for travel speed for the last 6 kilometers.
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