Question

Carson spent $15.99 for 2 books and 3 pens. The sales tax for the total purchase was $1.22. Carson also used a coupon for $0.50 off his purchase. If each pen had the same cost, how much did each pen cost?

Answer 1

Each pen costs $ 2.67 How I know this is:

15.99 / 3 = $2.67

The answer is $2.67 / pen.