1. A board game contains 26 total coins. There are 7 blue coins, and 12 red coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 47 cups of tea yesterday. They drank 19 cups in the morning and 21 in the afternoon. How many did they drink in the evening?   3. Jack borrowed 10 books from the school library. He returned 3 books yesterday and 4 books today. How many books does he still have?   4. Mrs. Young had a lovely 45-piece crockery set. Last evening, 5 cups and 4 saucers broke. How many pieces of crockery left?   5. Ronnie had half an hour to do his homework. He spent 8 minutes on English and 9 minutes on Science. How many minutes remain?