1. A board game contains 42 total coins. There are 9 red coins, and 8 yellow coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 72 cups of tea yesterday. They drank 25 cups in the morning and 29 in the afternoon. How many did they drink in the evening?   3. Andy borrowed 10 books from the school library. He returned 3 books yesterday and 3 books today. How many books does he still have?   4. Mrs. Martin had a lovely 41-piece crockery set. Last evening, 2 cups and 5 saucers broke. How many pieces of crockery left?   5. Darren had half an hour to do his homework. He spent 6 minutes on English and 8 minutes on Science. How many minutes remain?