I can't hold onto the solution to that riddle - and I'm a math guy. I know that there are 2 ways to do it, and I understand and compute them both, but it always messes with me. Hate it...
"I do not like mixing up moralities and mathematics."
Churchill
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I had a good buzz on while I was watching it last night but I made myself think about how to do it over and over (through the confusion) til I had the first method figured out. Had it down first thing this morning. Second way is better though, hadn't thought about that way. Ty for the response ;)
"I do not like mixing up moralities and mathematics."
Churchill
[deleted]
Best way to do it though is to fill the 3 gallon jug, then empty it into the 5 gallon jug. Then repeat, fill 3 gallon jug and empty into 5 gallon jug. 5 gallon jug will be filled leaving 1 gallon of water left in the 3 gallon jug.
Then empty out the 5 gallon jug. Pour the 1 gallon of water from the 3 gallon jug into the 5 gallon jug and then refill the 3 gallon jug again and pour that into the 5 gallon jug giving you exactly 4 gallons of water in the 5 gallon jug.
Best way to do it though is to fill the 3 gallon jug, then empty it into the 5 gallon jug. Then repeat, fill 3 gallon jug and empty into 5 gallon jug. 5 gallon jug will be filled leaving 1 gallon of water left in the 3 gallon jug.
Then empty out the 5 gallon jug. Pour the 1 gallon of water from the 3 gallon jug into the 5 gallon jug and then refill the 3 gallon jug again and pour that into the 5 gallon jug giving you exactly 4 gallons of water in the 5 gallon jug.
Actually I just realized a flaw in what I wrote. Both methods involve a lot of pouring and filling.
Fill 5 gallons 3 gallons 2 gallons 5 gallons and 1 gallon
Dump 3 gallons 2 gallons, 1 gallon.
Fill 3 gallons, 2 gallons, 1 gallon, 3 gallons
Dump 3 gallons, 2 gallons, 5 gallons, 1 gallon, 3 gallons,
Both are really time consuming. I can't seem to be able to tell which method is actually less time consuming.
Today I was watching the movie, and before they solved it in the movie, which I have no idea how they did, I think that if you fill the five gallon jug full, then pour it all over into the three jug, you get 2 gallons remaining... DAMNIT I need two three gallon jugs for my solution to work because you need to do that two times. False alarm everybody. I didn't solve it.
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"I do not like mixing up moralities and mathematics."
Churchill
It would be fun for a grade school or highschool teacher to actually give this riddle to his or her kids to solve as extra credit in math.
1, 2 Freddy's coming for you. 3, 4 better lock your door.
It's so easy. Fill up the 5 gallon jug and use it to fill up the 3 gallon jug. Throw away the water in the 3 gallon jug. Now pour the 2 gallon that's left in the 5 gallon jug into the 3 gallon jug. Then fill up the 5 gallon jug again and use it to fill up the 3 gallon jug. You've now got 4 gallon left in the 5 gallon jug.
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