\begin{tabular}{|c|c|c|}
\hline
Currency & USD/1 Unit & Units/1 USD \\
\hline
\begin{tabular}{c}
Canadian \\
dollar
\end{tabular} & 0.97071 & 1.03069 \\
\hline
Euro & 1.35261 & 0.73935 \\
\hline
\begin{tabular}{c}
Japanese \\
yen
\end{tabular} & 0.01007 & 99.30487 \\
\hline
\begin{tabular}{c}
Indian \\
rupee
\end{tabular} & 0.01594 & 62.72053 \\
\hline
\end{tabular}

Mitchell travels from the US to Canada, where he exchanges 150 US dollars for Canadian dollars. He then spends 20 Canadian dollars, returns to the US, and exchanges the remaining money back to US dollars. How many US dollars does Mitchell have remaining?

A. 129.46
B. 130.00
C. 130.66
D. 134.59



Answer :

To determine how many US dollars Mitchell has remaining after his trip to Canada, we need to follow these steps:

1. Exchange 150 USD to CAD:
- According to the exchange rate, 1 USD is equivalent to 0.97071 CAD.
- Therefore, the amount of Canadian dollars Mitchell gets for 150 USD is:
[tex]\[ 150 \times 0.97071 \text{ CAD} = 145.60649999999998 \text{ CAD} \][/tex]

2. Subtract the amount spent in CAD:
- Mitchell spends 20 CAD while in Canada.
- The remaining Canadian dollars after spending 20 CAD is:
[tex]\[ 145.60649999999998 \text{ CAD} - 20 \text{ CAD} = 125.60649999999998 \text{ CAD} \][/tex]

3. Exchange the remaining CAD back to USD:
- The exchange rate for converting CAD back to USD is given as 1 CAD is equivalent to 1.03069 USD.
- The amount of US dollars Mitchell gets from 125.60649999999998 CAD is:
[tex]\[ 125.60649999999998 \text{ CAD} \times 1.03069 \text{ USD/CAD} = 129.461363485 \text{ USD} \][/tex]

After performing all these steps, Mitchell has approximately [tex]\( 129.46 \)[/tex] USD remaining. Therefore, the correct answer among the provided options is:

129.46