1. Unit 3 WORD PROBLEMS WITH LINEAR SYSTEMS

2. TWO IMPORTANT QUESTIONS 1.What are my two variables? 2.How are they related?

3. 22 FOR 2 UNKNOWN VARIABLES WE NEED 2 EQUATIONS TO SOLVE FOR BOTH! Find a way to relate the variables by  Sum or Difference  Total Cost  Total Quantity  Complementary & Supplementary  Total Distance  Perimeter & Area

4. 1.The sum of two numbers is 26. Their difference is 4. Find the smaller number. 2.There are 38 students in an English class. There are 8 more boys than girls. How many boys are there? EXAMPLES DON’T FORGET TO DEFINE YOUR VARIABLES!!!

5. 3.The perimeter of a rectangle is 74. The length is 5 more than the width. What are the measures of the sides? 4.Two angles are complementary. One of them is 4 times the other. Find the measure of the smaller angle. EXAMPLES

6. EXAMPLE 5.A collection of nickels and quarters is worth $13.50. There are 78 coins in all. How many of each are there?

7. EXAMPLE 6.There were 512 people at the Talent Show. Admission was $1.25 for adults and $0.50 for children. The receipts were $406.75. How many of each attended?