You purchase a stereo that originally costs $250 but is marked 10% off. the sales tax is 5%. how much of your total purchase cost is sales tax? a. $12.50 b. $236.25 c. $262.50

$11.25

Step-by-step explanation:

We have been you purchase a stereo that originally costs $250 but is marked 10% off. The sales tax is 5%.

First of all, we will find price of stereo after 10% off by finding 90% of $250.

Now, we will find 5% of 225 to find amount of sales tax.

Therefore, amount of sales tax would be $11.25.