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Unit 4 Review Questions and Answers

Unit 4 Review Questions and Answers. Unit 4 Test: Tuesday, December 4th. Question 1. What is 60% of 40?. Answer 1. 24. Question 2. What is 15% of 6kg?. Answer 2. 0.9kg. Question 3. A box has 840 mugs. 30% of them are green mugs. How many green mugs are in the box?. Answer 3.

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Unit 4 Review Questions and Answers

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  1. Unit 4 Review Questions and Answers Unit 4 Test: Tuesday, December 4th

  2. Question 1 • What is 60% of 40?

  3. Answer 1 • 24

  4. Question 2 • What is 15% of 6kg?

  5. Answer 2 • 0.9kg

  6. Question 3 • A box has 840 mugs. 30% of them are green mugs. How many green mugs are in the box?

  7. Answer 3 • There are 252 green mugs in the box.

  8. Question 4 • There are cubes of three different colors in a box. 26% of them are blue, 18% are white and the rest are red. What percent of the cubes is red?

  9. Answer 4 • 56% of the cubes are red

  10. Question 5 • There are cubes of three different colors in a box. 26% of them are blue, 18% are white and the rest are red. • If there are 200 cubes, what is the total number of blue and red cubes?

  11. Answer 5 • 164 of the cubes are red and blue

  12. Question 6 • Bob earns $750 in a week. He got a 15% increase in his pay the following week. What is the increase in his pay?

  13. Answer 6 • His increase in pay is $112.50

  14. Question 7 • A party was being organized for 130 people. There was a 30% increase in the number of guests in the guest list. How many more people were invited?

  15. Answer 7 • 39 more people were invited

  16. Question 8 • There are 40 students in a class. On Monday, 5% of the students were absent from school. On Tuesday, 10 students were absent from school. • How many students were absent from school on Monday?

  17. Answer 8 • 2 students were absent from school on Monday

  18. Question 9 • There are 40 students in a class. On Monday, 5% of the students were absent from school. On Tuesday, 10 students were absent from school. • What was the percent increase in the number of absentees from Monday to Tuesday?

  19. Answer 9 • 400% increase in the number of absentees from Monday to Tuesday

  20. Question 10 • The price of a book was $16. When it became popular, the new price was $30. What was the percent increase in its price?

  21. Answer 10 • 87.5% increase in price

  22. Question(s) 11 • Find the amount Janice has to pay for the items below if the sales tax is 12%. • A calculator priced at $45 • A sofa priced at $1250 • A stereo priced at $640

  23. Answer(s) 11 • Calculator: $50.40 • Sofa set: $1,400 • Stereo: $716.80

  24. Question 12 • Mr. Tim’s family dined at Morton’s Restaurant and the bill came up to $128. He needed to pay a tip of 15%. What was the total amount Mr. Tim paid?

  25. Answer 12 • Mr. Tim paid $147.20

  26. Question 13 • A box of biscuits weighs 300 g with an additional 20%. What was the weight of the original box of biscuits?

  27. Answer 13 • The box of biscuits originally weighed 250g

  28. Question 14 • Isaac placed his money in a bank with a 5% interest per year. He had $525 in the bank after a year. How much was his original deposit?

  29. Answer 14 • He originally deposited $500 in his account

  30. FINAL QUESTION • A tool set costs $90. However, there was a 25% discount when Mr. Manning bought it. He had to pay a sales tax of 10%. How much did he pay for the tool set in the end?

  31. FINAL ANSWER • Mr. Manning paid $74.25 for the tool set

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