Answer:
Option B
Explanation:
$5\frac{1}{x}*y\frac{3}{4}=20$
If (3,1) then $5\frac{1}{x}*y\frac{3}{4}$
$5\frac{1}{3}*1\frac{3}{4}=\frac{16*7}{3*4}\neq20$
if (3,3) then $5\frac{1}{x}*y\frac{3}{4}$
$5\frac{1}{3}*3\frac{3}{4}=\frac{16*15}{3*4}=20$
so the x,y is 3,3