8th Grade Math Chapter 6 Review

1) 30 is 20% of what number? What is 55% of 342? Chapter 6 Review 1) 30 is 20% of what number? What is 55% of 342? 82 is what percent of 50?

Answer 1) 30 is 20% of what number? What is 55% of 342? Chapter 6 Review 1) 30 is 20% of what number? What is 55% of 342? 82 is what percent of 50? 150 188.1 164%

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

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

3) Write 7/16 as a decimal. Write 7/16 as a percent. Chapter 6 Review 3) Write 7/16 as a decimal. Write 7/16 as a percent. Write 32% as a decimal. Write 32% as a fraction.

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

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

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

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

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

Chapter 6 Review 6) 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?

Answer Chapter 6 Review 6) 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? $5000 + 900 = $5900

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

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

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

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