If $y$ Varies Jointly As $w$ And $x$ , And $y$ Is 321 When $x$

Short Answer

If $y$ varies jointly as $w$ and $x$ , and $y$ is 32.1 when $x$ is 92.3 and $w$ is 2.37 , evaluate the constant of proportionality and write the expression for $y$ in terms of $x$ and $w$ .