Answer
sales = 185,500
Work Step by Step
commission = commission rate $\times$ sales
5565=3%$\times$ sales write 3% as 0.03
5565= 0.03 $\times$ sales divide both sides by 0.03
$\frac{5565}{0.03}$=$\frac{0.03\times sales}{0.03}$
$\frac{556500}{3}$
185,500=sales