1. 3.2 (day 3) Solving Systems of Equations Applications (word problems)
Objectives: To write and solve a system of equations application problem

2. Example 1
A health club charges a monthly fee and a one-time initiation fee. If two months costs $100 and six months costs $200, what is the monthly fee and the initiation fee?

3. Example 2
The school that Lisa goes to is selling tickets to the annual talent show. On the first day of ticket sales the school sold 4 senior citizen tickets and 5 student ticket for a total of $102. The school took in $126 on the second day by selling 7 senior citizen tickets and 5 student tickets. What is the price of one senior citizen and one student ticket?

4. Example 3
Flying with the wind a plane went 183 mph. Flying into the same wind the plane only went 141 mph. Find the speed of the plane in still air and the speed of the wind.

5. Example 4
Rent-a-Car charges a $25 initial fee and $0.30 per mile. Cars-R-Us charges a $40 initial fee and only $0.20 per mile. After how many miles do the two charge the same amount?

6. Explain when it is better to use elimination? Substitution?

7. Homework
Worksheet 3.2 day 3