Find an Equation of Variation in Which $y$ Varies Inversely As $x$

Multiple Choice

Find an equation of variation in which $y$ varies inversely as $x$ and the following is true.
- $y=49$ , when $x=32$

A) $y=\frac{1.53}{x}$
B) $y=\frac{1568}{x}$
C) $y=1.53 x$
D) $y=1568 x$