please answer this question -A bus travels at v km/hr.it is going from Lucknow to gorakpur. after the bus has travelled for 5 hours gorakpur is still 20km away. what is the distance between Lucknow and gorakpur? express it using v.
Answers
Given- bus travel at v km/hr it has travelled 5 hours but 20 km away
Given :- A bus travels at v km/hr. It is going from Lucknow to Gorakhpur. After the bus has travelled for 5 hours, Gorakhpur is still 20 km away. What is the distance from Lucknow to Gorakhpur ? Express it using v.
Solution :-
→ Speed of bus = v km/h
so,
→ In 5 hours bus travelled distance = speed * time = v * 5 = 5v km.
now, given that, after travelling for 5 hours , Gorakhpur is still 20 km away .
therefore,
→ The distance from Lucknow to Gorakhpur = Distance covered + Distance left .
→ The distance from Lucknow to Gorakhpur = 5v + 20 = 5(v + 4) km (Ans.)
Hence, the distance from Lucknow to Gorakhpur is 5(v + 4) km .
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