1. Section 3.7 Cost, Income and Value Problems

2. Example 1 Tickets for the senior class pay cost $6 for adults and $3 for students. A total of 846 tickets worth $3846 were sold. How many student tickets were sold? First put the given data from the problem into a table Type of Ticket Number of Tickets Price per Ticket Cost Student 3 Adult 6 Total846 $3846

3. Next, use the other information in the problem to fill the rest of the table Type of TicketNumber of Tickets Price per Ticket Cost StudentS3 Adult846-S6 Total846 --- $3846 Now write and solve the equation. They sold 420 student tickets.

4. Example 2 An apple sells for 25 cents, and a peach sell for 15 cents. A total of 10 pieces of fruit were sold for a total cost of $2.10. How many apples were sold? Number of pieces Price per piece Cost Apples Peaches Total

5. Example (cont’d) Number of pieces Price per piece Cost Apples Peaches Total

6. Assignment Word Problem worksheet in class Homework: p. 127 #1-6 all: set up chart and equation only; do not solve #7-15 odd: set up and solve; answer question