1.

Two trains x and y start at the same time, x from A to B and the y from B to A. After passing each other x and y take \(8\frac{2}{5}\) hours and \(4\frac{2}{7}\) hours respectively to reach their destinations. If the speed of y is 35 km/h, then what is the speed (in km/h) of x?

A. 28
B. 25
C. 24
D. 30
Answer» C. 24


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