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you see what it is worth by seeing how shiny it is how old it is and if it is not scratched up then you bring it to a coin professional
Net present value method has value adding-up property
Subtract the old (60) from the new (94), then divide by the old value (60). Thus: (94 - 60) / 60 = 0.566666667 Round up to 57 and add the % So the increase is 57%
Jean-Robert Argand came up with the idea of absolute value, although he specifically meant complex absolute value. On the other hand Karl Weierstrass came up with the notation | x |.
they are all three types of averages: the mean is worked out by adding up all of the results and dividing it by the amount of results added up the median value is just the middle value of the results the mode value is the value that occurs most in the results