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12-01-2016
Mathematics

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Describe two methods for finding the total price of a bill that includes a 20% tip

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Аноним Аноним

12-01-2016

100%/5 = 20%
a/5 + a
You could divide the bill by 5 and then add it on to the original price in order to get the total.
a x 1.2
100% + 20% = 120% = 1.2

Very similar methods but slightly different.

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