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Percent and problem solving: sales tax

1. A new large tv has a purchase price of $4790. If the sales tax on this purchase is $335.30, find the sales tax rate.

Sagot :

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[tex]sale\ tax\ rate=\frac{sale\ tax}{purchase\ price}*100\%\\\\sale\ tax=335,30\$\\purchase\ price=4790\$\\\\ sale\ tax\ rate=\frac{335,30}{4790}*100\%\\\\ sale\ tax\ rate=\frac{33530}{4790}\%=7\%\\\\ \textbf{Sale \ tax\ rate\ is\ equal\ to \ 7\%.}[/tex]

Answer:

7%

Step-by-step explanation:

Purchase price x sales tax rate =sales tax

4790 x sales tax rate = 335.30

sales tax rate = 335.30/4790

sales tax rate =.07 or 7%

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