Dog II

Journey from a rangers' home to the town is 6 km. Mr. ranger started from his home and went 3 km per hour. His women came from the town and also went 3 km per hour. With ranger started dog and runs in 12 km in 1 hour. The dog went to ranger's women then back to ranger and running from one to the one until the two meet.

How many miles will pass a dog?

Correct result:

x =  12 km

Solution:

t=8 km3 km/h+3 km/h=1 hod x=vt=12 km/h1 h=12 km



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