Answer:
B: [tex]y = \frac{30}{3}x[/tex]
Step-by-step explanation:
Hello!
The constant of proportionalities are listed in the fractions. We can simplify all the fractions to see which one equals 10.
- A: [tex]\frac{2}{20} = \frac{1}{10}[/tex]
- B: [tex]\frac{30}{3} = \frac{10}{1} = 10[/tex]
- C: [tex]\frac{12}{2} = \frac{6}{1} = 6[/tex]
- D: [tex]\frac55 = 1[/tex]
The correct answer is option B.
