Question

The sales tax for an item was  $30.60 and it cost $340 before tax.

Answer 1

`\begin{gathered} TST=IC* ST \\ \text{Where:} \\ \text{TST}=\text{ Total sales tax}=30.6 \\ IC=\text{Item cost}=340 \\ ST=\text{Sales tax rate} \\ \text{Therefore:} \\ ST=(TST)/(IC) \\ ST=(30.6)/(340) \\ ST=0.09 \end{gathered}`

0.09 or 9%