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13 votes
13 votes
A store charges 7% sales tax. Which expression can be used to find the total cost of an item with a price of p?

User Tarantoga
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2 Answers

12 votes
12 votes


\begin{array}c \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{7\% of p}}{\left( \cfrac{7}{100} \right)p}\implies 0.07p~\hfill \stackrel{\textit{total price}}{p+\underset{tax}{0.07p}}

User Deep Sehgal
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25 votes
25 votes

p + 0.07p = total cost

User Frank Sposaro
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