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December 18, 2014

Homework Help: Math (please help!)

Posted by Natalia on Tuesday, April 19, 2011 at 7:48pm.

You have 16 coins that are heads up and 18 coins that are tails up. After you add some coins that are tails up, the ratio of heads up to tails up is 1 to 1.5. How many coins are tails up? How many coins in all?

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