There are 37 people seated in a cafeteria. Each table holds 2 people. Only one table is not full. How many full tables are there?

Meg has a new bookcase. If each shelf holds 8 books, how many shelves will she need for 50 books?

There are 99 fourth graders. The cafeteria tables hold 6 students. How many tables does the cafeteria need to seat all the students?

A teacher bought a packet of 17 batteries. Each calculator uses 3 batteries. How many calculators can the teacher fill with batteries?

Books are on sale for $7. Peter has $30 in his wallet. How many books can he buy?