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03.31.2009, 04:43 PM
19/56 = 0.33928571428571428571428571428571
30/86 = 0.3488372093023255813953488372093
31.6/86 = 0.36744186046511627906976744186047
29.178571428571428571428571428571 / 86 = 19/56 = 0.33928571428571428571428571428571
Brian - I always work in teeth as this is really what is important rather than diameter...
I rounded up to 30 rather than down to 29...
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