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For those who know the answer to this question, do not answer it and spoil it for everyone else: 

Say I have a row of 1000 quarters which first start on heads and every 2nd quarter, I flip down to tails (so that would mean every 2nd, 4th, 6th, etc. quarter is flipped to tails). Say I do the same for every third number, every fourth number, etc. and all the way to 1000. Here is what I want you guys to solve:

1.) How many quarters are left on heads? 

2.) Set up an equation to prove your answer. 

 

I will give you guys 24 hours. 

Guest Jan 30, 2015

Best Answer 

 #1
avatar+91489 
+5

Thanks anon :)

I have given this the green puzzle icon and added it's address to our puzzle thread.  

Melody  Jan 31, 2015
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 #1
avatar+91489 
+5
Best Answer

Thanks anon :)

I have given this the green puzzle icon and added it's address to our puzzle thread.  

Melody  Jan 31, 2015

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