If x and y are positive integers and 18x=12y what is the least possible value of xy?
Pick.
A) 14 B) 28 C) 36 D) 84 E) 252
18x=12y   =&gt; x/y = 2/3   =&gt; 3x=2y   3(3)=2(3) =&gt; x*y=9 But it is not given   3(6)=2(6) =&gt; x*y=36   36
<result>C</result>
If x and y are positive integers and 18x=12y what is the least possible value of xy?