Answer:
She pays $19.20
Step-by-step explanation:
Given,
The cost price of the shirt = $ 24,
There is a 20% off,
So, the selling price of the shirt = cost price - 20% of cost price
\(=24-20\%\text{ of }24\)
\(=24-\frac{20\times 24}{100}\)
\(=24-\frac{480}{100}\)
\(=24-4.8\)
\(=\$ 19.2\)
