1. Finding a Percent of Something

2. 1. a. What is 20% of 80? 4 b. Why is four wrong? %

3. 1. a. What is 20% of 80? 1600 c. Why is one thousand six hundred wrong? %

4. 1. a. Find 20% of 80. 16 or 16.00 d. Why is one fourth right? 80 x .20 00 160 16 00 %

5. 2. a. What is 35% of 20? 7.35 b. Why is seven and thirty-five hundredths wrong? %

6. 2. a. What is 35% of 20? 700 c. Why is seven hundred wrong? %

7. 2. a. Find 35% of 20. 7 or 7.00 d. Why is seven right? 20 x .35 100 60 7.00

8. 3. a. There is a discount of 25% off on a $60 pair of shoes. How much are the shoes? $25 b. Why is twenty-five dollars wrong? %

9. 3. a. There is a discount of 25% off on a $60 pair of shoes. How much are the shoes? $15 c. Why is fifteen dollars wrong? %

10. 3. a. There is a discount of 25% off on a $60 pair of shoes. How much are the shoes? $45 d. Why is forty-five dollars correct? $60 x .25 300 120 $15.00 $60 - 15 $45

11. 4. a. A shirt cost $30 plus 7% tax. What is the total cost? $37 b. Why is thirty-seven dollars wrong? %

12. 4. a. A shirt cost $30 plus 7% tax. What is the total cost? $2.10 c. Why is two dollars and ten cents incorrect? %

13. 4. a. A shirt cost $30 plus 7% tax. What is the total cost? $32.10 d. Why is thirty-two dollars and ten cents correct? $30 x .07 $2.10 $30.00 + 2.10 $32.10

14. 5. a. A $300 bike is on sale. How much is the cost? $275 b. Why is two hundred seventy-five dollars wrong? %

15. 5. a. A $300 bike is on sale. How much is the cost? $75 c. Why is seventy-five dollars wrong? %

16. 5. a. A $300 bike is on sale. How much is the cost? $225 d. Why is two hundred twenty-five dollars correct? $300 x .25 1500 60 $75.00 $300 - 75 $225

17. A shirt that costs $30 last month, now costs $45. What is the percent of change? 15 c. Why is 15 incorrect? %

18. A shirt that costs $30 last month, now costs $45. What is the percent of change? 50% Why is 1/2 correct? $45 - $30 $15 $15 ÷ $30 .5 = 1/2

22. Remember to do your Classwork: Page 162 # 4 – 36 even