1. A board game contains 57 bluecoins, 25 red coins, and 52 white coins. How many coins are there in all?   2. Brown has a small library at home. He has66 books on History, 36 books on Geography, and 36 books on Science. How many books does he have altogether?   3. Mrs.Anderson delivered 229 letters in September, 202 letters in July, and 324 letters inOctober. How many letters did she deliver in the three months?   4. For her new kitchen, Mrs Young bought a crockery set, a cutlery set and a pressure cooker. Each item cost $ 46 . How many dollars did she spend?   5. Last month, Jack worked for 197 hours, Greg worked for 141 hours, and Edward worked 26 hours more than Greg. How many hours did they work altogether?