1. Write the sentence as a proportion: "4 is to 15 as 36 is to 135."
- A. $\frac{4}{15} = \frac{36}{135}$
- B. $\frac{4}{36} = \frac{15}{135}$
- C. $\frac{15}{4} = \frac{36}{135}$
- D. $\frac{4}{15} = \frac{135}{36}$
2. Write the sentence as a proportion: "12 is to 5 as 96 is to 40."
- A. $\frac{12}{5} = \frac{96}{40}$
- B. $\frac{12}{96} = \frac{5}{40}$
- C. $\frac{5}{12} = \frac{96}{40}$
- D. $\frac{12}{5} = \frac{40}{96}$
3. Is the following equation a proportion? $\frac{11}{6} = \frac{21}{16}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the numbers are whole numbers
4. Write the sentence as a proportion: "7 is to 9 as 35 is to 45."
- A. $\frac{7}{9} = \frac{35}{45}$
- B. $\frac{7}{35} = \frac{9}{45}$
- C. $\frac{9}{7} = \frac{35}{45}$
- D. $\frac{7}{9} = \frac{45}{35}$
5. Is the following equation a proportion? $\frac{12}{18} = \frac{4.99}{7.56}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the numbers are integers
6. Is the following equation a proportion? $\frac{9}{4} = \frac{39}{34}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the denominators are equal
7. Is the following equation a proportion? $\frac{9}{16} = \frac{2.16}{3.89}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the numerators are integers
8. Write the sentence as a proportion: "15 is to 8 as 75 is to 40."
$\frac{15}{8} = \frac{75}{\_\_\_}$
9. Is the following equation a proportion? $\frac{5}{12} = \frac{45}{108}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the numbers are integers
10. Is the following equation a proportion? $\frac{10.1}{8.4} = \frac{3.03}{2.52}$
- A. Yes
- B. No
- C. Cannot be determined
- D. Only if the numbers are whole