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October 21, 2014

October 21, 2014

Posted by **Cole** on Sunday, April 17, 2011 at 9:13pm.

- math -
**Henry**, Sunday, April 17, 2011 at 11:38pmX Comic books.

X/2 Science fiction.

3X Mystery novels.

X + X/2 + 3X = 54,

Multiply both sides by 2:

2X + X + 6X = 108,

9X = 108,

X = 12,

X/2 = 6 Science fictions novels.

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