Answer: His total weekly earnings =$252
Step-by-step explanation:
Given: The Mountain Spring Water Company pays delivery drivers $210 per week plus 20% of their weekly sales.
If a driver had sales of $50 for the week, then his total weekly earnings
[tex]=\$210+20\%\ of\ \$210\\\\=\$210+0.2\times\$210.....[\text{Convert percentage into decimals}]\\=\$210+$42\\=\$252[/tex]
⇒ His total weekly earnings =$252
