A container contains two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the container is filled with B, the ratio of A and B becomes 1 : 1. How many litres of liquid A was in thecontainer initially = ?

A container contains two liquids A and B in the ratio 7 : 5. When 9 li

1.	A container contains two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the container is filled with B, the ratio of A and B becomes 1 : 1. How many litres of liquid A was in thecontainer initially = ?
A.	6
B.	$16\frac{1}{2}$$
C.	$36\frac{3}{4}$$
D.	$26\frac{3}{4}$$
Answer» D. $26\frac{3}{4}$$