Question

santino pays $27.61 for his lunch, which includes 18% sales tax, what was the original price of his lunch

Answer 1

$\begin{gathered} 27.61=x(1.18) \\ \\ x=\frac{27.61}{1.18} \\ x=23.4 \\ \\ \text{Thus the original price was \ 23.4} \end{gathered}$