6. You have $250 to purchase four new tires. If each tire weighs 21 pound and costs $42 plus $2.50 tax, how much change will you receive
7. A parking garage charges $2.50 for the first hour and $0.50 for each additional hour. If a customer gave the parking attendant $20.00 for parking from 10 A.M. to 3 PM how much did the garage charge?
8. An architect is designing a house. The scale on the plan is 1 inch 6 feet. If the house is to have a length of 90 feet and a width of30 feet, how long will the line representing the house's length be on the blueprint? Use the four-step method in problem solving to solve Exercises 9-22
9. One person earns $48,000 per year. Another earns $3750 per month. How much more does the first person earn in a year than the second?
10. At the beginning of a year, the odometer on a car read 25,124 miles. At the end of the year, it read 37,364 miles. If the car averaged 24 miles per gallon, how many gallons of gasoline did it use during the year?
11. A television sells for $750. Instead of paying the total amount at the time of the purchase, the same television can be bought by paying $100 down and $50 a month for 14 months. How much is saved by paying the total amount at the time of the purchase?
12. In a basketball game, the Bulldogs scored 34 field goals, each counting 2 points, and 13 foul goals, each counting 1 point. The Panthers scored 38 field goals and 8 foul goals. Which team won? By how many points did it win?