A 6 litre sol is 40% alcohol .How many litres of pure alcohol must be added to produce a sol that is 50% alcohol ?  Choose one:
A) A.0.6	B) B.1.2	C) C.2.1	D) D.3	E) E.5.4
40% of 6 = 2.4   50% of 6 = 3   shortage is 0.6   so we need to have 0.6/50% to get 50% alcohol content.   = 1.2 B.1.2
<result>B</result>
A 6 litre sol is 40% alcohol .How many litres of pure alcohol must be added to produce a sol that is 50% alcohol ?