1. College Algebra Math 130 Amy Jones Lewis

2. Homework Review  Please see printed answers.

3. Rental Cars

4. Rental Car Problems  Companies that rent cars generally charge a fixed amount per day with an additional charge for each mile driven.  You have 3 options of rental car companies from which to rent a particular model of car.  Go-Go Car Rentals  Wreckem Car Rentals  Good Rents

5. Rental Car Problems GGo-Go Car Rentals has a daily charge of $28 with an additional charge of $0.25 per mile. WWreckem Car Rentals has a daily charge of $29.95 with an additional charge of $0.23 per mile. GGood Rents has a daily charge of $21.65 with an additional charge of $0.27 per mile.

6.  Graph all 3 equations on your graphing calculators.  Under what circumstances would you want to rent from the different companies?

7. Solving Equations  Consider Go-Go Care Rentals  Daily charge of $28  Mileage charge of $0.25/mile  If you have $100, how far can you drive on a 1-day rental?  How do we set up an equation to represent this?  What are the steps for solving the equation?  If you have $74, how far can you drive on a 1-day rental?

8. Solving Equations  A long-distance phone call plan charges $15 per month plus $0.15 for each minute of long-distance phone calls. Your monthly bill was $30. How many minutes of long- distance phone calls, m, did you make?  Jada’s electric company charges $8 per month plus $0.11 per kilowatt-hour of electricity used. If her bill was $52, how many kilowatt-hours, k, did she use?  Dylan is placing an online order for baseballs for his baseball team. The shipping cost is $8, plus it costs $2.10 per baseball ordered. Dylan only has $71 to spend on baseballs. How many baseballs, b, can he order?

9. Solving Equations  8n + 15 = 103  28 + 0.25n = 40  1 + 2g = 7  2p + 4 = 50  12h = 108

10. Homework  Solving Equations  Next Class: Wednesday, September 22nd