| Stem | \multicolumn{4}{c}{Leaf} | |||
| 8 | 0 | 1 | 5 | |
| 9 | 2 | 4 | 6 | 7 |
| 10 | 0 | 0 | 3 | 4 8 |
\textbf{141-} All the data in the stem-and-leaf plot below are multiplied by 3, then 40 units are subtracted from each of them. What is the new mean of the data?
\begin{center}
\begin{tabular}{c|cccc}
\textbf{Stem} & \multicolumn{4}{c}{\textbf{Leaf}} \\
\hline
8 & 0 & 1 & 5 & \\
9 & 2 & 4 & 6 & 7 \\
10 & 0 & 0 & 3 & 4 \quad 8 \\
\end{tabular}
\end{center}
(1) 245 \qquad (2) 245 \qquad (3) 250 \qquad (4) 255
\hspace{2em}(1) $240$ \qquad (2) $245$ \qquad (3) $250$ \qquad (4) $255$