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 Out of gas. (Posted on 2007-09-22)
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?

 Submitted by jduval Rating: 4.0000 (2 votes) Solution: (Hide) Many people offered some creative solutions. Some pretty legit, some not so. Of course that is only my opinion. Daniel and Will offered the intent of my solution. Although I would use the 3 gallon container rather than the 11. Daniel even went as far as to calculate whether or not the extra money would cover the gasoline needed to drive to the gas station. Here was my solution: Although the man is not smart enough to keep from running out of gas in the first place, he is smart enough to realize that he does not need to get 16 gallons of gas into his car in order to start it. He simply grabs the 3 gallon container and walks to the gas station. He fills the container, at least part of the way, walks back to his car, and pours it in his tank. He then starts his car, drives to the gas station, and fills his tank until it automatically shuts off leaving exactly 16 gallons of gas in his tank. Hoodat offers a very creative solution that I like maybe even better than my own here. I question if it is a completely legitimate solution as I doubt you will be able to just find materials to construct a balance, but I do like the creative thinking.

 Subject Author Date re(2): solution to 'Out of gas' tom reapy 2008-04-22 22:02:27 re: solution to 'Out of gas' Dej Mar 2008-04-22 06:12:30 solution to 'Out of gas' tom reapy 2008-04-21 22:20:03 out of gas tom reapy 2008-04-20 18:10:10 not looked at any posts or solution yet Axorion 2007-11-18 04:46:48 re: another legit (ish) solution jduval 2007-09-29 15:55:33 another legit (ish) solution Will 2007-09-27 11:04:01 re(3): I'm reaching here jduval 2007-09-25 14:37:01 re(2): I'm reaching here Brian Smith 2007-09-25 11:11:27 re: I'm reaching here jduval 2007-09-25 10:08:23 re: Labor intensive solution jduval 2007-09-25 10:02:47 I'm reaching here Guest 2007-09-24 23:19:19 Labor intensive solution Guest 2007-09-24 22:00:35 re: Solution - Legit - Wow, maybe not so legit jduval 2007-09-24 21:22:18 re: Exactly 16 gallons jduval 2007-09-24 21:12:54 Solution - Legit hoodat 2007-09-24 00:29:44 Exactly 16 gallons Larry 2007-09-24 00:03:16 re: oops - good jduval 2007-09-23 18:52:35 re(2): solution -interesting jduval 2007-09-23 18:50:03 re: solution- by daniel - agreed jduval 2007-09-23 18:46:55 oops Will 2007-09-23 17:31:16 another go Will 2007-09-23 17:27:48 re: solution Daniel 2007-09-23 13:37:05 solution Daniel 2007-09-23 13:31:51 re: Solution - disagree jduval 2007-09-23 10:58:04 re: Alternate Solution - disagree jduval 2007-09-23 10:54:38 re: Solution jduval 2007-09-23 10:51:27 Alternate Solution Guest 2007-09-22 16:25:12 Solution Guest 2007-09-22 16:17:44

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