a car cover 70km in3 hours and 120km in two hours. find averagd distance covered by car in one hours
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avg=total distance/total time taken
distance=70+120=190km
time=3+2=5h
::190/5
::38 km per hour
distance=70+120=190km
time=3+2=5h
::190/5
::38 km per hour
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