## Grade 3

A classroom was set up with 8 rows of desks. Each row had 5 desks. If there are 30 students sitting in the desks, how many empty desks are there?

## Grade 4

Last week Sunny made $3,696 selling books. If each book costs $8, how many books did Sunny sell?

3rd: 10 empty desks

4th: 462 books