4) Mr. Tanaka is making Miso soup for his family. The recipe calls for \( 350 \mathrm{~mL} \) of Dashi.
Mr. Tanaka plans to make a smaller batch using \( 280 \mathrm{~mL} \) of Dashi. He wants to know what percent of the stock he will use compared to the original recipe.
Find an equivalent ratio where the amount of stock is \( 100 \mathrm{~mL} \).
\begin{tabular}{|c|c|c|}
\hline Stock Mr. Tanaka Used (mL) & 280 & 80 \\
\hline Stock in Recipe (mL) & 350 & 100 \\
\hline
\end{tabular}
(1)) What percent of the stock did Mr. Tanaka use?
(1)) Mr. Tanaka used \( \% \) of the stock in the recipe.