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09-06-2018
Mathematics

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The cost of a dinner is $8.99. If you pay 8% in tax and leave 15% tip on the cost of dinner only. What is the total cost of your meal?

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sqdancefan sqdancefan

09-06-2018

Your total cost is ...
(dinner cost) + 8% * (dinner cost) + 15% * (dinner cost)
= (dinner cost)*(1 + .08 + .15)
= 1.23*(dinner cost)
= 1.23 * $8.99 = $11.06

The total cost of your meal is $11.06.

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