1. Garyinvites 30 boys and 23 girls to his birthday party. How many friends did he invite?   2. There are 2 cakes. Each cake is cut into 7 pieces. How many pieces are there in all?   3. There are 70 sandwiches to be arranged equally in 10 trays. How many sandwiches will there be in each tray?   4. Dad has planned 6 games for the party. Each game would have 3 winners. How many prizes would Dad give away?   5. Mom places 12 paper plates on the table in 4 rows. How many paper plates are there in each row?