What good are functions -- questions on the bill calculation


#1

On the "What good are functions" example, it shows the 8% tax being written out as 1.08, as far as I know, that's not correct, 8% it literally 8 cents on the dollar, therefore shouldn't it be .08, same thing with the tip, 15% is shown written out as 1.15, shouldn't this be written out as .15?


#2

yes, but you want to add the tax to the total of the bill, otherwise you would only pay the tax or tip (so the 1 is the 100% of the bill before tax and tip)


#3

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