Question

A train travels at 55km/hr and covers a certain distance in 7 hours. how long will you it take for the train to travel the same distance at a speed of 77km/hr?
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Answer 1

Step-by-step explanation:

given

speed=55km/hr

time=7hr

distance=speed×time

=55km/hr×7hr

= 385 km

now again

given

speed=77km/hr

distance=385km/he

time=distance/speed

=385km×77km/hr

=5hr

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Answer 2

I hope this answer will help you