John and Mike simultaneously start running around a circular track in the same direction. John runs at 6 m/s and Mike runs at X m/s. If they cross each other at exactly two points on the circular track and X is a natural number less than 25, how many values can X take?
A) 2
B) 3
C) 4
D) 5
E) 8
A) 2
B) 3
C) 4
D) 5
E) 8
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