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
[tex]\frac{y}{x} =\frac{66}{1.2}=55[/tex]
Answer: 55 or Choice 1
Hope that helps!
