If a book costs $12 and you have a $5 coupon, how much will you pay?

To determine how much you will pay for the book after applying the coupon, start with the original price of the book, which is $12. When you use a coupon worth $5, you subtract the value of the coupon from the original price.

Calculating the total cost involves the equation:

Original Price - Coupon Value = Total Cost $12 - $5 = $7

Thus, after using the $5 coupon, you will pay $7 for the book. This aligns with the correct answer choice.