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Old 04-13-2007   #1
Sillysidley

 
Join Date: Oct 2006
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Determine all the 5-digit numbers that when the first digit and last digit are taken away, the new number is 2/215 of the original?
abcde is the number,
So 2(10000a+1000b+100c+10d+e)=215(100b+10c+d)

So... yeah...help!
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Old 04-13-2007   #2
Temperal
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Does it have to be an integer?
If not, than there's an infinite number, so I'm guessing it has to be.
 
Old 06-06-2007   #3
Scion

 
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does it count as decimals
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