### 40 Mathematics Problems

1. Turner agrees to buy a boat for $2,800 down and $129 a month for 48 months. What is the total cost of the boat? 2. Rocco scored 81, 89, 68, 92, and 77 on his mathematics quizzes. Round each score to the nearest ten to estimate his total score. 3. a) Name the property of addition that is illustrated. 4 +9