1. A board game contains 63 total coins. There are 30 red coins, and 24 white coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 39 cups of tea yesterday. They drank 32 cups in the morning and 2 in the afternoon. How many did they drink in the evening?   3. Bill borrowed 12 books from the school library. He returned 5 books yesterday and 2 books today. How many books does he still have?   4. Mrs. Stewart had a lovely 39-piece crockery set. Last evening, 3 cups and 4 saucers broke. How many pieces of crockery left?   5. Herbert had half an hour to do his homework. He spent 7 minutes on English and 7 minutes on Science. How many minutes remain?