1. Chapter 3 Section 6
Applications

2. Vocabulary
Consecutive Integers: Integers that are consecutive. Numbers that follow right after another. 5 and 6 are consecutive integers. If k represents an integer, the next consecutive integer is k + 1

3. Problem 1
The three sides of a triangle are consecutive integers. The perimeter is 72 inches. Find the measure of each side of the triangle.

4. Vocabulary 2
Consecutive odd integers. If p represents an odd integer, what is the next odd integer?

5. Problem 2
Page 218: Example 2: The length and width of a rectangle are consecutive odd integers and the perimeter is 168 centimeters. Find the length and width of the rectangle.

6. Mixture
Gina cracks open a piggy bank and finds $4.50 (450 cents), all in nickels and dimes There are 15 more dimes than nickels. How many nickels does Gina have?

7. Solution
Let n = number of nickels. Since there are 15 more dimes than nickels Let n + 15 = number of dimes Total value is 450 cents.

8. Mixture ??

9. Interest - $$
Interest = Principal • rate • time I = Prt

10. Interest - $$
Interest = Principal • rate • time I = Prt Use the formula to find the amount of interest on an investment of $4000 at 4% for 3 years..

11. Interest
If Trinity has $ and she invest the entire amount at 2% interest per year, what is the amount that she will have after 3 years?

12. Summary Read the problem. Define the unknown as a variable.
Write an equation
Solve the equation
Answer the question.
Check – Does the answer seem reasonable?

13. Problems
Mixture
Consecutive Integers
Interest