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Two jugs, J and K, contain water. The capacity of jug J is

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Intern
Joined: 19 Nov 2004
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Two jugs, J and K, contain water. The capacity of jug J is [#permalink]  19 Dec 2004, 18:03
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8. Two jugs, J and K, contain water. The capacity of jug J is 20 percent greater than that of jug K. How much more water is in jug J than in jug K?
(1) When full, jug K holds 5 gallons of water
(2) Jug J is 50 percent full and jug K is 40 percent full.

I got confused with the percent greater and the greater amount of water so I got this number wrong
Manager
Joined: 19 Nov 2004
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[#permalink]  21 Dec 2004, 07:43
(1)Insuff We don't know if K is full or not, so no information about water
(2)Insuff need to know capacity
if the capacity of K 5, then the J's is 6 (+20%)
J is 50% full => contains 3gallons
K 40%full => 2g
There is 1 gallon more water in J then in K or
J is 50% fuller than K
Manager
Joined: 13 Dec 2004
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[#permalink]  22 Dec 2004, 09:59
cpcalanoc

The questions asks how much more water is in J than K, which means you need to know quantity of water, not percent. You have percent capacity, which means one of the answers is going to have to give you quantity or it's unanswerable. I think that is where you said you got confused. Answer (1) gives you measureable capacity (you now know that J holds 6 and K holds 5) but doesn't tell you how full they are. Answer (2) tells you how full they are, so the answer should be C, as Lovely Baby indicated.
[#permalink] 22 Dec 2004, 09:59
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Two jugs, J and K, contain water. The capacity of jug J is

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