1. A board game contains 124 total coins. There are 30 blue coins, and 50 red coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 173 cups of tea yesterday. They drank 46 cups in the morning and 52 in the afternoon. How many did they drink in the evening?   3. Arthur borrowed 191 books from the school library. He returned 19 books yesterday and 29 books today. How many books does he still have?   4. Mrs. Nelson had a lovely 108-piece crockery set. Last evening, 9 cups and 12 saucers broke. How many pieces of crockery left?   5. Herbert had half an hour to do his homework. He spent 41 minutes on English and 39 minutes on Science. How many minutes remain?