1. A board game contains 5 red coins, 30 yellow coins, and 7 blue coins. How many coins are there in all?   2. Mr. Martin borrowed from the library 4 books on Sunday, 23 books on Wednesday, and 6 books on Thursday. How many books did he borrow altogether?   3. Mrs. Moore delivered 22 letters in August, 30 letters in April, and 27 letters in September. How many letters did she deliver in the three months?   4. For her new kitchen, Mrs. Moore bought a crockery set, a cutlery set and a pressure cooker. Each item cost $ 32 . How many dollars did she spend?   5. Jack played for 3 hours, Greg played for 8 hours, and Edward played 3 hours more than Greg. How many hours did they play altogether?