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# Drum X is 1/2 full of oil and drum Y, which has twice the

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Manager
Joined: 07 Jul 2003
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Drum X is 1/2 full of oil and drum Y, which has twice the [#permalink]  20 Feb 2004, 12:53
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 2/J full of oil. If all of the oil in drum X is poured into drum Y. then drum Y will be filled to what fraction of its capacity ?
Senior Manager
Joined: 05 Feb 2004
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Fraction = {40+5*J}/20*J..............plugin the value of J!!
Manager
Joined: 07 Jul 2003
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Can you explain that further
Senior Manager
Joined: 05 Feb 2004
Posts: 291
Location: USA
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Kudos [?]: 3 [0], given: 0

Let capacity of X = 10 litre
Oil in X= 5 litres
Capacity of Y = 20 litres
Oil in Y = 2/J * 20 = 40/J litre
Oil in Y plus 5 litres of X = 40/J +5
Fraction = {40/J+5}/20
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