Felisha Was Asked to Find 413 - 248 $\begin{array} { r } 413 \\\underline{- 248 }\\ - 5 \\- 30 \\\underline{ 200 }\\165 \end{array}$

Essay

Felisha was asked to find 413 - 248. Here is how she did this problem: $\begin{array} { r } 413 \\\underline{- 248 }\\ - 5 \\- 30 \\\underline{ 200 }\\165 \end{array}$
Is her answer correct? Explain what she was doing. Find 9456 - 3789 using this method.