1. 8 th Grade Math Unit 6 Review

2. Unit 6 Review 1) a)30 is 20% of what number? b)What is 55% of 342? c)82 is what percent of 50?

3. 1) a)30 is 20% of what number? b)What is 55% of 342? c)82 is what percent of 50? Unit 6 Review Answer 150 188.1 164%

4. Unit 6 Review 2) a)What is the percent change if you go from 642 to 700? b)Old Price: $3.50 New Price: $4.00 What is the percent change?

5. 2) a)What is the percent change if you go from 642 to 700? b)Old Price: $3.50 New Price: $4.00 What is the percent change? Unit 6 Review Answer 9% increase 14.3% increase

6. Unit 6 Review 3) a)Write 7 / 16 as a decimal. b)Write 7 / 16 as a percent. c)Write 32% as a decimal. d)Write 32% as a fraction.

7. 3) a)Write 7 / 16 as a decimal. b)Write 7 / 16 as a percent. c)Write 32% as a decimal. d)Write 32% as a fraction. Unit 6 Review Answer 0.4375 43.75% 32 / 100 = 8 / 25 0.32

8. Unit 6 Review 4) a)Write 8.7 as a percent. b)Write 0.3% as a decimal. c)Sticker price is $15.25. If the sales tax is 6%, what is the final cost?

9. 4) a)Write 8.7 as a percent. b)Write 0.3% as a decimal. c)Sticker price is $15.25. If the sales tax is 6%, what is the final cost? Unit 6 Review Answer 870% 0.003 Tax is $0.92 so the total is $16.17

10. Unit 6 Review 5) a)Original price is $3100. After a 15% discount, what would the price be? b)If there is a 7% sales tax, what would the final price be?

11. 5) a)Original price is $3100. After a 15% discount, what would the price be? b)If there is a 7% sales tax, what would the final price be? Unit 6 Review Answer 3100 – 654 = $2635 2635 + 184.45 = $2819.45

12. Unit 6 Review 6) a)You invest $5000 for 6 years at a simple interest rate of 3%. At the end of that time, how much money do you have?

13. 6) a)You invest $5000 for 6 years at a simple interest rate of 3%. At the end of that time, how much money do you have? Unit 6 Review Answer $5000 + 900 = $5900

14. Unit 6 Review 7) a)Old price is $350. New price is $297.50. What is the percent of discount? b)Sales tax is 6%. Price tag reads $210.00. What is the final cost?

15. 7) a)Old price is $350. New price is $297.50. What is the percent of discount? b)Sales tax is 6%. Price tag reads $210.00. What is the final cost? Unit 6 Review Answer 15% decrease $210 + 12.60 = $222.60

16. Unit 6 Review 8) a)40% of the candies in a bag are red. There are 20 red candies. How many total candies are there in the bag?

17. 8) a)40% of the candies in a bag are red. There are 20 red candies. How many total candies are there in the bag? Unit 6 Review Answer 50 candies total