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A slightly mathematical riddle.
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Post by
124027
This post was from a user who has deleted their account.
Post by
Random0214
Well, the way I'm reading it I think that you could use the edges from previous boxes to make new ones, with them all connected. So, going from that one box would be able to be made into 5 with the addition of 12 more bars, rather than 16 each. Then four more added to that set (the connected box set) with just extra bars. I'm going to say that you'd only need 3/4 of that 6400 to make 1600 boxes total.
Post by
106607
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Post by
Hyperspacerebel
The first box would require you to buy 4 bars.
however, by melting down that first box, you only need to buy 3 more bars for Box 2, and same with box 3, 4, 5, 6 etc.
so all in all 4801 bars
This would be correct, considering the wording of the problem. But I don't understand how melting down 4 bars gets you 1 bar.
Post by
Orranis
The first box would require you to buy 4 bars.
however, by melting down that first box, you only need to buy 3 more bars for Box 2, and same with box 3, 4, 5, 6 etc.
so all in all 4801 bars
This would be correct, considering the wording of the problem. But I don't understand how melting down 4 bars gets you 1 bar.
This is
WoW
Math, logic has no place here. It's just a theoretical idea, he could make it to something that makes logical sense, but the answer would not change.
Post by
Hyperspacerebel
This is
WoW
Math, logic has no place here. It's just a theoretical idea, he could make it to something that makes logical sense, but the answer would not change.
It doesn't make mathematical sense.... 1+1+1+1 =/= 1
Post by
74218
This post was from a user who has deleted their account.
Post by
Hyperspacerebel
You could just say that in the process of making 4 bars to a box, you lose some of the material in the process. Changing the box back to a bar would then remove even more material so that in the end, you're left with one bar.
Conservation of matter. Unless you're melting down these bars with nuclear fission, you'll always have the same amount of metal.
Matter is never
lost
.
Post by
74218
This post was from a user who has deleted their account.
Post by
Hyperspacerebel
Although, I'd like to point out that not all matter is conserved in such a neat fashion. For example, sometimes metal will evaporate into the atmosphere in processes such as these (very small portions of it).
The matter is still conserved, just in gaseous form. Now, yes, there will be loss due to experimental error....i.e. the less careful you are the more you might lose. But unless you're doing this in a straitjacket, blindfolded, and not having eaten in 3 days, losing 3/4th of your metal is strange.
Post by
484763
This post was from a user who has deleted their account.
Post by
Hyperspacerebel
Just assume it has happened , or just think of it this way, while making the box he added some materials to enhance it, to return the box into a bar he had to remove these impurities , sadly this process is inefficient returning 1/4 of the actually amount back into a pure enough form to be used
Why would you remove the extra materials if you'll just be adding them again? Just melt down the whole.
I just don't understand theoretical problems that ignore basic real-world principles.
Post by
Sagramor
The first box would require you to buy 4 bars.
however, by melting down that first box, you only need to buy 3 more bars for Box 2, and same with box 3, 4, 5, 6 etc.
so all in all 4801 bars
Yeah, but, doing that, you don't actually get 1600 boxes in the end.
Post by
260787
This post was from a user who has deleted their account.
Post by
Sagramor
Just assume it has happened , or just think of it this way, while making the box he added some materials to enhance it, to return the box into a bar he had to remove these impurities , sadly this process is inefficient returning 1/4 of the actually amount back into a pure enough form to be used
Why would you remove the extra materials if you'll just be adding them again? Just melt down the whole.
I just don't understand theoretical problems that ignore basic real-world principles.
Jesus H. Christ, it was crappy beginner blacksmith and he spilled 3/4 of the iron.
Post by
Hyperspacerebel
I wonder how you did in school. 90% of math problems are theoretical and due to this, don't apply to the real world.
4.0 cumulative GPA in high school, including honors math and science my junior and senior year.
:P
Post by
260787
This post was from a user who has deleted their account.
Post by
Hyperspacerebel
So if this is true, what aren't you understanding about the question? Aside from being argumentative, you shouldn't have a problem answering it.
I
did
answer it. Aside from being argumentative you shouldn't have a problem seeing that.
You should know that most math questions ignore the laws of physics and logic altogether,
I don't what weird-ass math you learned, but the math I learned works both theoretically and practically.
so why would the question have an understanding of phsyics?
Because physics follows the same laws of mathematics which are being applied here.
Post by
74218
This post was from a user who has deleted their account.
Post by
TheMediator
I guess since I haven't been arguing with him, Hyperspace is just trying to stir up some trouble.
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