Question

If Zöe orders a book from Store Y, how much tax will she pay?

Comparison of Online Bookstores

Store X
Store Y
Cost of book
$17.00
$18.00
Tax rate
6%
8%
Shipping
10% of cost before tax
FREE
$1.44
$2.25
$12.25
$14.40

Answer 1

From the information here, it looks like the price of the book is $18.00 with a tax rate of 8% from store Y.
To calculate 8% of $18.00 we can multiply 18*0.08, which gives us 1.44
That would be the amount of tax paid for the book at store Y