Question

Brainliest for you if you answer!

Answer 1

To find the constant of proportionality:

  ⇒ must define constant of proportionality

    ⇒ Constant of Proportionality:  ratio of two proportional values at a

       constant value

       ⇒ (in this case) two proportional values are x and y

The ratio between x and y is equal to

  $\frac{y}{x} =\frac{66}{1.2}=55$

Answer: 55 or Choice 1

Hope that helps!