This is an exercise on Thermometric scales.
We have as data:
We apply the following formula:

We substitute data in the formula:

First multiply 9 x 220, then the result of this division is divided by 5.
![\large\displaystyle\text{$\begin{gathered}\sf =396+32 \ \ \to \ \ [Add] \end{gathered}$}](https://img.qammunity.org/2023/formulas/mathematics/college/u0rpcy77q7za54s2rjsijny7un6y0j2g9o.png)

Therefore the cake recipe that should be baked at 220 °C for 45 minutes, on the Fahrenteir scale is 428 °F. Which indicates that it will be very hot.