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November 22, 2014

November 22, 2014

Posted by **Janice** on Thursday, January 7, 2010 at 3:29pm.

- Math -
**drwls**, Thursday, January 7, 2010 at 4:05pmIf you went in with 64, you would have spent 32 + 16, which is 48, and you would have had 16 left. So 64 is the correct answer.

You could derived that by solving this equation:

x - (x/2 + 16) = 16

x/2 -16 = 16

x/2 = 32

x = 64

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