1. A board game contains 70 total coins. There are 15 white coins, and 32 yellow coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 75 cups of tea yesterday. They drank 24 cups in the morning and 23 in the afternoon. How many did they drink in the evening?   3. Warren borrowed 10 books from the school library. He returned 4 books yesterday and 3 books today. How many books does he still have?   4. Mrs. Nelson had a lovely 49-piece crockery set. Last evening, 5 cups and 3 saucers broke. How many pieces of crockery left?   5. Michael had half an hour to do his homework. He spent 6 minutes on English and 9 minutes on Science. How many minutes remain?