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<p>[QUOTE=&quot;Numbers, post: 1147083, member: 11668&quot;]Mathematically, this won&#039;t work.&nbsp; All denominations must be integer multiples of the smallest denomination, or it becomes impossible to make change.&nbsp; If you eliminate the nickel, you must also eliminate either the dime or the quarter....</p><p>&nbsp;</p><p>(For example, in the above system, if an item costs 60 cents and you pay with three quarters, there&#039;s no way to make the 15 cents&#039; change.&nbsp; Likewise if the item costs 75 cents and you pay with two quarters and three dimes.)[/QUOTE]</p><p><br /></p>

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