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two ferries start moving toward each other from opposite riverbanks, a and b. when they pass each other for the first time, the distance to riverbank b is 100 meters. each ferry starts its return trip as soon as it reaches its destination. when the ferries meet for the second time, the distance to riverbank A is 50 meters. what is the distance between riverbanks a and b? Help I will give 40 points

Respuesta :

As there is no information about the speed of the ferries, we can infer that they move at the same speed.

Therefore, we can say that they cross each other at the same point both on their way and on their way back.

Since the "meeting point" is on a streight line in between the two shores, 100 meters from shore B and 50 meters from shore A, the distance between shore A and B will be 100 + 50 = 150 meters.

Hence, the distance between shores A and B is 150 meters.

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