1. A board game contains 95 greencoins, 23 blue coins, and 62 black coins. How many coins are there in all?   2. Martin has a small library at home. He has58 books on History, 165 books on Geography, and 45 books on Science. How many books does he have altogether?   3. Mrs.Douglas delivered 283 letters in September, 228 letters in October, and 200 letters inJune. How many letters did she deliver in the three months?   4. For her new kitchen, Mrs Moore bought a crockery set, a cutlery set and a pressure cooker. Each item cost $ 63 . How many dollars did she spend?   5. Last month, Jack worked for 198 hours, Greg worked for 133 hours, and Edward worked 38 hours more than Greg. How many hours did they work altogether?