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July 22, 2014

Homework Help: math for elementry school teacher

Posted by deadlove on Thursday, February 9, 2012 at 1:48am.

Mr. Mathemagician asks you to pick any whole number. Add 10. Multiply the result
by 4. Add 200. Divide by 4. Subtract your original number. Mr. Mathemagician says,
“You’re final result is 60!” Explain Mr. Mathemagician’s trick?

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