**Q9: **

Write as a mixed number.

- A
- B
- C
- D
- E

**Q10: **

Express as a common fraction.

- A
- B
- C
- D
- E

**Q11: **

Express as a common fraction.

- A
- B
- C
- D

**Q12: **

Express as a common fraction.

- A
- B
- C
- D

**Q13: **

Express as a common fraction.

- A
- B
- C
- D

**Q14: **

Express as a common fraction.

- A
- B
- C
- D

**Q15: **

Express as a common fraction.

- A
- B
- C
- D

**Q16: **

Express as a common fraction.

- A
- B
- C
- D

**Q17: **

In a given month, the price of a bag of sugar increased by in the first week, increased by another in each of the next two weeks, and then decreased by in the fourth week. Determine the average change in the price of sugar over these 4 weeks.

**Q18: **

Express as a rational number.

- A27
- B
- C
- D3
- E

**Q19: **

Ethan’s test scores in chemistry were 69.4, 78, 81.1, 69.1, and 76.4. Determine his average test score, and using the table, determine his grade.

Grade | A | B | C | D | F |
---|---|---|---|---|---|

Average Score | 90–100 | 80–89 | 70–79 | 60–69 | 50–59 |

- A69.8, B
- B74.4, A
- C74, C
- D74.8, C
- E69, D