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UNBELIEVABLE MATH PROBLEM

Here is a math trick so unbelievable that it will stump you. Personally I would like to know who came up with this and why that person is not running the country.

Grab a calculator. (you won’t be able to do this one in your Head)

1. Key in the first three digits of your phone number (NOT the Area code…)
2. Multiply by 80 
3. Add 1
4. Multiply by 250
5. Add to this the last 4 digits of your phone number
6. Add to this the last 4 digits of your phone number again.
7. Subtract 250
8. Divide number by 2 

via butterflyeffect / bg5000 / malty / amyyy

my calculator just called me…