# Troops

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

Which regiment will take route longer?

Result

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3qne=b=3wn8e b= #### To solve this example are needed these knowledge from mathematics:

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