Thread: PDT 2/2 : Why has tipping increased?
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  #28  
Old 11-30-2007, 12:59 PM
ChicagoTroy ChicagoTroy is offline
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Join Date: Apr 2004
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Default Re: PDT 2/2 : Why has tipping increased?
[ QUOTE ]
20% - Figure out 10%, double it
15% - Figure out 10%, add half

I fail to see how it's much easier

[/ QUOTE ]
x + 2(.1x)
x + .1x + (.1x)/2
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