Question

the sales tax is 47 dollarson a purchase of a dinning room setfor 1175 dollars find the sales tax rate as a whole number or decimal

Answer 1

if we take the $1175 to be the 100%, what is $47 in percentage? well


`\bf \begin{array}{ccllll} amount&\%\\ \textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\ 1175&100\\ 47&x \end{array}\implies \cfrac{1175}{47}=\cfrac{100}{x}`

solve for "x"