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From: "Carl G." <carlgnews@microprizes.com>
Newsgroups: rec.puzzles
Subject: Re: A Trivial Arithmetic Problem
Date: Sat, 21 Jun 2025 09:28:07 -0700
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On 6/20/2025 11:56 PM, Mark Brader wrote:
> Carl Ginnow:
>> Hints : The starting number is 13.  After each operation, the result is
>> a whole number. Use this fact to check answers at each "Divide by"
>> operation.
>>
>> Start with an unlucky number for a Friday.
> 
> 13.
> 
>> Multiply by the gables on Hawthorn's house.
> 
> *7 = 91.
> 
>> Add the number a stitch in time saves.
> 
> +9 = 100.
> 
>> Add the number of blind mice.
> 
> +3 = 103.
> 
>> Subtract the number of William Pène du Bois' balloons.
> 
> (First google.)
> -21 = 82.
> 
>> Add the number of wonders of the world.
> 
> +7 = 73.
82 + 7 = ?  (Hint: It's not 73)

-- 
Carl G.


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