10/19/2007

10-19-07 - 2

On change :

The average amount of change you get from a transaction is 2 pennies, 0.4 nickels, 0.8 dimes, and 1.5 quarters.

The average value of change from a transaction is 49.5 cents, the average number of coins is 4.7

The ratios are 42.55% pennies, 8.5% nickels, 17% dimes, and 31.9% quarters.

The weights of the coins in order are 2.500 g , 5.000 g , 2.268 g , 5.670 g .

The weight of an average coin transaction is 17.3144 g (1 lb is 453.6 grams)

The value of 1 lb of random change is $12.97 ; if like me you generally remove your quarters from the random change, the value of 1 lb of random change without quarters is $6.17 ; in practice it's even slightly lower because so often you're paying a $.99 or $.95 price which gives you the worst coins by weight, the nickel and the penny.

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