A certain distance is been covered in 28 hours by walking with the speed of 5 km per hour if the speed is increased by 2 kilometre per hour then in how much time the same distance will covered
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Total distance =28×5=140 km
new speed =7km/hr
new time=140/7=20 hours
new speed =7km/hr
new time=140/7=20 hours
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0
Answer:
140
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here is the answer
20 hours is the new speed
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