Assume $y$ Is Directly Proportional To $x$ And $y$ Is 223 When $x$ Is 229
(A) Find the Constant of Proportionality

Short Answer

Assume $y$ is directly proportional to $x$ and $y$ is 22.3 when $x$ is 22.9 .
(a) Find the constant of proportionality.
(b) Write the equation $y=\mathrm{f}(x)$ .
(c) Find $y$ when $x=3210$ .
(d) Find $x$ when $y=4321$ .