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Out of gas. (Posted on 2007-09-22) Difficulty: 2 of 5
A man runs his car out of gas thereby completely emptying his 16 gallon tank. He only has a 3, a 6, and a 11 gallon container (and fortunately a wagon to carry the containers in) in his trunk. He has nothing else in which he can carry gas. He walks a few miles to a gas station, and as luck would have it the gauge on the pump is broken so he can not use that to measure the fuel. He is in a pretty remote area with only one gas station for miles. Gas costs $3.099, and he only has a $50. Using only the containers provided, and only walking once to and from the gas station, how can he get exactly 16 gallons of gas into his car?

See The Solution Submitted by jduval    
Rating: 4.0000 (2 votes)

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re(2): I'm reaching here | Comment 21 of 29 |
(In reply to re: I'm reaching here by jduval)

Well, there are still a few places that have only one gasoline pump.  The nearest gas from my home used to be at a single pump at an old general store.  The pump is over 50 years old and the price meter maxes out at 99.9 cents.  In order to pump gas, the clerk inside has ring up the price manually. 

The gas pump in the problem could very well be at a pump like the one I described, just slightly worse as the old fuel meter is also broken on the pump.

  Posted by Brian Smith on 2007-09-25 11:11:27
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