If 4/p=8 & 4/q=18 then p-q=?  Choose the correct choice from the following answers.
A) 5/18  B) 6/24  C) 7/24  D) 8/24  E) 9/24
p=4/8 , q=4/18=&gt;q=2/9   therefore   p-q=(1/2)-(2/9)=5/18   5/18NSWER:5/18
<result>A</result>
If 4/p=8 & 4/q=18 then p-q=?