Club #50 and Club #60

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Within a class, 50 percent of students are members of Club #30 and 60 percent are members of Club #50. If 30 percent of the members of Club #50 are members of Club #60, how many of the members of Club #60 are members of Club #50?

(1) One hundred of the students are members of Club #30.

(2) Twenty-five percent of the non-members of Club #50 are members of Club #60.