Friday

April 18, 2014

April 18, 2014

Posted by **Shay** on Friday, August 7, 2009 at 4:05pm.

Add 7.

Double the result.

Subtract 8.

Double the result.

Add 12.

Divide by 4.

Subtract 6.

Your answer will be the original number. Explain how this trick works.

- Math 213 Elementary Math -
**drwls**, Friday, August 7, 2009 at 4:18pmIf 20 is the answer, what is the question?

20 is not a question

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