1. Brianinvites 29 boys and 46 girls to his birthday party. How many friends did he invite?   2. There are 2 cakes. Each cake is cut into 5 pieces. How many pieces are there in all?   3. There are 20 sandwiches to be arranged equally in 10 trays. How many sandwiches will there be in each tray?   4. Dad has planned 5 games for the party. Each game would have 3 winners. How many prizes would Dad give away?   5. Mom places 64 paper plates on the table in 8 rows. How many paper plates are there in each row?