Question

The book fair had a sale or six books or $20.46 if you want to do by seven books how much money would you need

Answer 1

23.87 if you divide 20.46 by 6 you get 3.41, which is the amount per book, then you multiply that by 7 and you get your answer.
Hope I helped. ;)

Answer 2

All you have to do is multiple and then youll get your answer