Weekly salary = $370 + 6.5% commission on sales
Sales for a week = $4400
Commission = 6.5% of $4400
[tex]\begin{gathered} =\text{ }\frac{6.5}{100}\text{ x \$4400} \\ =\text{ }\frac{28600}{100} \\ =\text{ \$286} \end{gathered}[/tex]Therefore,
Weekly salary = $370 + 6.5% commission on sales
Weekly salary = &370 + $286
= $656