akhil covered a distance of 15km in 60minutes. he covered first part of journey by walking at 4.5 km/hr and rest of journey by car at 30km/hr. find the distance covered by car
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Answer:
we have,
total distance = 15 km/h
distance covered by walking = 4.5x (x be the time )
distance covered by the car = 30 y (y be the time)
now atq,
4.5x + 30y = 15 km .....................(ii)
and,
x +y = 60 min solve them you can get answer ................ (i)
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