Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 1/2 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what capacity?
Select
A) 2/3  B) 3/4  C) 4/5  D) 5/6  E) 7/8
(1/2)X = (1/4)Y   (1/4)Y + (1/2)Y = (3/4)Y   The answer is 3/4.
<result>B</result>
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 1/2 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what capacity?