If $y$ Varies Jointly As $w$ And $x$ , And $y$ Is 861 When $x$

Short Answer

If $y$ varies jointly as $w$ and $x$ , and $y$ is 861 when $x$ is 20.1 and $w$ is 52.6 , find $y$ when $x$ is 66.3 and $w$ is 27.8 .