ninja135 ninja135

22-04-2014
Mathematics

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the original price of a watch was $109.it was on sale for 100.28.what was the discount rate

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Аноним Аноним

04-05-2014

[tex]\$109-\$100.28=\$8.72\\\\\frac{\$8.72}{\$109}=\frac{8.72}{109}\cdot100\%=\frac{872}{109}\%=8\%\leftarrow answer[/tex]

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