Question

A can contains a mixture of two
liquids A and B in the ratio 7:5. When
9 litres of mixture are drawn off and
the can is filled with B, the ratio of A
and B becomes 7:9. How many litres
of liquid A was contained by the can
initially?
O 10
O 20
O 21
25​

Answer 1

Answer:

I think answer would be a 25