**Q5: **

Express as a common fraction.

- A
- B
- C
- D
- E

**Q10: **

Express as a common fraction.

- A
- B
- C
- D

**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 rational number.

- A27
- B
- C
- D3
- E

**Q17: **

Write as a mixed number.

- A
- B
- C
- D
- E

**Q18: **

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

**Q19: **

In a given month, the price of a bag of sugar increased by 5 cents in the first week, increased by another 4 cents in each of the next two weeks, and then decreased by 3 cents in the fourth week. Determine the average change in the price of sugar over these 4 weeks.