Problem

Rosa earns \( \$ 120 \) per week tutoring math. Each week, she puts \( \$ 36 \) from her paycheck in a bank account to save for college. Rosa wants to know what percent of her earnings she saves.
Find the amount Rosa saves out of \( \$ 100 \).
\begin{tabular}{|l|c|c|c|}
\hline Amount Saved (dollars) & 3 & 30 & 36 \\
\hline Amount Earned (dollars) & 10 & 100 & 120 \\
\hline
\end{tabular}
What percent of her earnings does Rosa save?
Rosa saves ? \( \% \) of her earnings.

Answer

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Answer

0.3 \times 100 = 30

Steps

Step 1 :\frac{36}{120} = \frac{3}{10}

Step 2 :\frac{3}{10} = 0.3

Step 3 :0.3 \times 100 = 30

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