Question

The sales tax on your city is 8.8 percent and an item costs $63 before tax

Answer 1

The tax on a $63 object, at 8.8%, is 0.088($63) = $5.54.
The total amount due in this purchase would be $63 + $5.54 = $68.54.

Answer 2

With sales tax included it should approximately be $68.54.