Question

A shirt normally cost $18 but is on sale for 20% off. What is the price of the shirt after the discount but before sales tax?

Answer 1

Given that A shirt normally cost $18 but is on sale for 20% off.

the price of the shirt after the discount but before sales tax:

$\begin{gathered} SP=18-18\times0.20 \\ SP=18-3.6 \\ SP=14.4 \end{gathered}$

The selling price after discount is $14.4.