<h2>Hello!</h2>
The answer is:
The correct option is:
A) $74.55
<h2>Why?</h2>To calculate how much does Sonya pay for the four pairs altogether, we need to calculate the original price after the 50% discount and the taxes.
Calculating we have:
We have that before the tax, the price of the shoes was $17.5, then, calculating the price after the taxes, we have:
So, we have that the price after discount and the taxes is $18.637 per each pair of shoes.
Hence, the price for the four pairs of shoes will be:
Have a nice day!