If $y$ Varies Jointly As $w$ And $x$ , And $y$ Is 110 When $x$

Short Answer

If $y$ varies jointly as $w$ and $x$ , and $y$ is 1.10 when $x$ is 10.1 and $w$ is 2.50 , find $x$ when $y$ is 7.50 and $w$ is 20.0 .