Let the speed of A be x kilometers per hour, then the speed of B is (x-3) kilometers per hour.

There are (x+(x-3))×2 hours = 38km+38km.

2x-3=38

X = 20.5km。

According to the meaning of the question, A and B meet at 1 1.

So the distance between A and B is (20.5+20.5-3)×3 hours = 1 14 km.

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