Question

shirts are 15% off. The original price of one shirt is $20. What is the total cost, in dollars, of a shirt, at the sales price, including a 10% sales tax?

Answer 1

The original price of the shirt is , 20 dollar.

It is given that the shirts are 15% off.

Therefore, the price of the shirt is ,

`20-20*(15)/(100)=17.`

The price of the shirt is, 17 dollar after 15% off.

It is also given that there are 10% sales tax.

The total cost of the shirt is determined by including the sales tax in the price of the shirt after 15% off.

`17+(17*(10)/(100))=18.7`

Thus, The total cost of shirt is calculated as, 18.7 dollar.