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@EngineerScotty, The issue I have with quarter dollar is that in daily life, we often have to combine smaller coins into bigger value. It is faster to compute if they have the value are of 1, 5, 10s, etc. Say if we want to come up with $8.5, most people can instantly figure out it is $2 + $2 + $2 + $2 + 50c, or $5 + $2 + $1 + 50c. It takes me a little while to learn how to do it with quarter (quick!), e.g. 85c = 25c + 25c + 25c + 10c. This isn't too hard to learn of course, especially if you have to deal with it on daily basis. Sizing a fractional number like 5/16 still confounds me.
Toggle Commented Apr 28, 2011 on basics: walking distance to transit at Human Transit
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Apr 28, 2011