1. Linear Equations on One Variable
Mixtures
Opening Routine
How many pounds of walnuts that cost $0.80 per pound must be mixed with 8 pounds of cashews that costs $1.25 per pound to make a mixture of nuts that costs $1.00 per pound?

2. Linear Equations on One Variable
Mixtures
Opening Routine

3. Linear Equations on One Variable
Mixtures
Opening Routine

4. Topic II: Linear Equations in One Variable

5. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Objective: Rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations.
Essential Question: How can simple interest formula can be arranged to calculate the variable of interest?

6. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Vocabulary
Fraction: A number used to name a part of a group or a whole. The number below the bar is the denominator, and the number above the bar is the numerator.
Decimals: The numbers in the base 10 number system, having one or more places to the right of a decimal point.

7. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Vocabulary
Proportion: An equation of fractions in the form
a/b = c/d.
Simple interest: Is the interest earned on the principal in an account.

8. Linear Equations on One Variable
Applications of Linear Equations Simple Interest

9. Linear Equations on One Variable
Applications of Linear Equations Simple Interest

10. Linear Equations on One Variable
Applications of Linear Equations Simple Interest

11. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Guided Practice – WE DO
You deposited $125 in a saving account that earns a simple interest rate of 1.75% per year. You earned a total of $8.75 in interest. For how long was your money in the account?

12. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Guided Practice – WE DO

13. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Independent Practice - YOU DO
Worksheet “Simple Interest Exercises and
Simple Interest Word Problems”
Exercises 1-15

14. Linear Equations on One Variable
Applications of Linear Equations Simple Interest
Closure
Essential Question: How can simple interest formula can be arranged to calculate the variable of interest?