Trains \(A\) and \(B\) left stations \(R\) and \(S\) simultaneously on two separate parallel rail tracks that are

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Trains \(A\) and \(B\) left stations \(R\) and \(S\) simultaneously on two separate parallel rail tracks that are \(350\) miles long. The trains passed each other at point \(X\) after travelling for a certain amount of time. How many miles of the rail tracks had train \(A\) travelled when the two trains passed each other?

1) Up to point \(X,\) the average speed of train \(B\) was \(25\%\) less than the average speed of train \(A\)

2) Up to point \(X,\) the average speed of train \(B\) was \(60\,\text{mph}\) and it took two and a half hours for train \(B\) to arrive at point \(X\)

OA D