1. A board game contains 84 greencoins, 47 yellow coins, and 85 red coins. How many coins are there in all?   2. Smith has a small library at home. He has62 books on History, 84 books on Geography, and 22 books on Science. How many books does he have altogether?   3. Mrs.Brown delivered 219 letters in October, 256 letters in August, and 207 letters inJanuary. How many letters did she deliver in the three months?   4. For her new kitchen, Mrs Hurt bought a crockery set, a cutlery set and a pressure cooker. Each item cost $ 79 . How many dollars did she spend?   5. Last month, Jack worked for 165 hours, Greg worked for 128 hours, and Edward worked 40 hours more than Greg. How many hours did they work altogether?