The route is long 147 km and the first-day first regiment went at an average speed of 12 km/h and journey back 21 km/h. The second day went second regiment the same route at an average speed of 22 km/h there and back.

Which regiment will take route longer?



t1=14712+14721=19.25 h t2=14722+14722=13.36 h  t1>t2

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Math student
3qne=b=3wn8e b=


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