1. A board game contains 100 total coins. There are 17 green coins, and 52 red coins. How many coins are there of other colors?   2. The doctors at Get-Well Hospital drank 175 cups of tea yesterday. They drank 80 cups in the morning and 69 in the afternoon. How many did they drink in the evening?   3. Andy borrowed 126 books from the school library. He returned 11 books yesterday and 22 books today. How many books does he still have?   4. Mrs. Simon had a lovely 122-piece crockery set. Last evening, 9 cups and 13 saucers broke. How many pieces of crockery left?   5. Robin had half an hour to do his homework. He spent 51 minutes on English and 26 minutes on Science. How many minutes remain?