A river basin is the geographic area drained by a river and its tributaries. The Mississippi River Basin is the third largest in the world and is divided into six sub-basins, whose areas are shown in the following bar graph. Use this graph for below Exercises.

1. Find the total U.S. land area drained by the Ohio and Tennessee sub-basins.
2. How many more square miles of land are drained by the Upper Mississippi sub-basin than the Lower Mississippi sub basin?
3. A homeowner is considering installing gutters around her home. Find the perimeter of her rectangular home.

4. When a couple began a trip, the odometer read 55,492. When the trip was over, the odometer read 59,320. How many miles did they drive on their trip?
5. During one month in 2013, the two top-selling vehicles in the United States were the Ford F-Series and the Chevrolet Silverado, both trucks. There were 60,449 F-Series trucks and 42,080 Silverados sold that month. What was the total number of these trucks sold in that month?

Mlsslsslppl Rlver Basln 600,000 530,000 500,000 400,000 300,000 247,000 189,000 200,000 164,000 -75,000 100,000 40,000 Missouri Upper Red-White Mississippi Mississippi Arkansas Lower Ohio Tennessee Sub-Basins Area (in square miles) 60 feet, 45 feet