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24-08-2017
Mathematics

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As a valet at the mall, Davis works 7-hour shifts. He earns $6 per hour and keeps 90% of his tip money. How much does Davis need to be tipped so that he takes home exactly $87.50, before taxes are deducted, per shift?

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24-08-2017

[tex]\frac{87.50-(6\times7)}{0.9}=50.\overline{5}[/tex]

Davis needs to be tipped $50.56

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