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Old 1 May 20, 05:01 PM  
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#11
SussexFamily
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Join Date: Jul 19
Location: Wessex
Originally Posted by Claudette View Post
Meh. I am going to admit, I have a degree in maths and I am an accountant but this was actually my full workings.

I’m still impressed

Well done C
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Old 1 May 20, 06:14 PM  
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#12
buryboy
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Join Date: Jun 09
Originally Posted by Claudette View Post
It was quite straight forward really, but did involve some algebra.

Nice.
I just did it in my head working backwards
Last one bought 1 ( the last one as he bought half of the last one plus a half )
The second last bought 2 ( half of 3 that were there before he bought 2 , plus a half )
Third last bought 4 ( half of 7 plus a half)
First bought 8 ( half of 15 plus a half )
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