Original price of lunch: $22.45 Tip:18% Find the amount of tip

Mathematics

2 answers:

torisob [31]2 years ago

5 0

Answer:4.041 hope it helps

Step-by-step explanation:

user100 [1]2 years ago

5 0

4.041

hope it helps! good luck

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astraxan [27]

$\bf \qquad \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
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r=rate\to 6\%\to \frac{6}{100}\to &0.06\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{semi-annually, thus twice}
\end{array}\to &2\\

t=years\to &9
\end{cases}
\\\\\\
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