contestada

Karen paid $43.70 for a book. The price of the book was $40. what was the sale tax rate

Respuesta :

the sales tax rate is 9.24 percent
2134jenny

Answer:

9.25%

Step-by-step explanation:

We have the price book of $40 but karen pais $43.70 then the $3.70 extra that she paid it's the value of taxes. Then to know the tax rate we have to do the next procediment:

[tex]$40\longrightarrow 100\%[\text]

[tex]$3.70\longrightarrow x\%[/tex]

Where x is the tax rate, then:

[tex]x=\dfrac{\$3.70\cdot 100\%}{\$40}[/tex]

[tex]x=\dfrac{370\%}{40}=9.25\%[/tex]

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