[tex]\begin{gathered} \text{Let the equation is,} \\ H=KE \\ \text{Here, H is the hour worked by the Brendan} \\ K\text{ is the proportional constant} \\ E\text{ is the earned mony in the given time.} \\ So, \\ \text{For 40-hour work} \\ 40=K\times320 \\ K=\frac{40}{320}=\frac{1}{8} \\ \text{Now, for 35 hours} \\ 35=K\times E \\ 35=\frac{1}{8}\times E \\ E=35\times8 \\ E=\text{ \$280 For 35-hour work} \end{gathered}[/tex]
