1. A board game contains 48 total coins. There are 9 red coins, and 27 blue coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 74 cups of tea yesterday. They drank 20 cups in the morning and 32 in the afternoon. How many did they drink in the evening?   3. Mark borrowed 10 books from the school library. He returned 5 books yesterday and 3 books today. How many books does he still have?   4. Mrs. Anderson had a lovely 39-piece crockery set. Last evening, 3 cups and 5 saucers broke. How many pieces of crockery left?   5. Warren had half an hour to do his homework. He spent 9 minutes on English and 7 minutes on Science. How many minutes remain?