Saturday, August 1, 2009

Multiplying by 12s

My grandfather was in the boys clothing business where everything was sold in dozens.  My grandfather, to this day, knows his 12-times-table backwards and forwards and loves doing his math.
 
The conversion between Korean wan and the American dollar is divide the Korean value by 1,200.  Lots of dividing by 12 and cutting off a bunch of zeroes.  And always in my head.  I'm sure Grandpa is very proud in Queens.

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