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# If tank X contains only gasoline, how many kiloliters of

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If tank X contains only gasoline, how many kiloliters of [#permalink]

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08 Apr 2006, 14:07
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If tank X contains only gasoline, how many kiloliters of gasoline are in tank X.

(1) If 1/2 of the gasoline in tank X were pumped out, the tank would be fillef to 1/3 of its capacity.

(2) If .75 kiloliter of gasoline were pumped into tank X, it would be filled to capacity.
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Andre Crompton
andre.crompton@cit.com

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08 Apr 2006, 14:45
I will take C.
x=amount of gasoline in kiloliters and y=capacity of tank in kiloliters

statement 1. 1/2x=1/3y not sufficient

statement 2. 3/4+1/2x=y not sufficient

Both sufficient.

Two equations with two variables solvable
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10 Apr 2006, 01:14
I agree with C as well.

Jodeci how did you set up the equation for statement 2? aren't you combining statement 1 also?...please advise because I always messing up this type of problem.
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11 Apr 2006, 06:37
jodeci wrote:
I will take C.
x=amount of gasoline in kiloliters and y=capacity of tank in kiloliters

statement 1. 1/2x=1/3y not sufficient

statement 2. 3/4+1/2x=y not sufficient

Both sufficient.

Two equations with two variables solvable

don't you think that statement 2 should be: 3/4 + x = y

End result is the same though: 2 equations and 2 unknowns => solvable!
11 Apr 2006, 06:37
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