Asked by maeco
                calculate the average speed in km/h of a car travelling at 50km/h for 30minutes, and then at 71 km/h for one hour
            
            
        Answers
                    Answered by
            Steve
            
    total distance: 50*0.5 + 71*1.0 km
total time: .5 + 1.0 hr
so, ...
    
total time: .5 + 1.0 hr
so, ...
                    Answered by
            nthabiseng
            
    I need the answer
    
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