Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2009-07-26 05:39:36

soroban
Member
Registered: 2007-03-09
Posts: 452

Making a necklace

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. . .



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#2 2009-07-26 19:19:56

Tigeree
Member
Registered: 2005-11-19
Posts: 13,883

Re: Making a necklace

$18? or half?


People don't notice whether it's winter or summer when they're happy.
~ Anton Chekhov
Cheer up, emo kid.

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#3 2009-07-26 20:44:56

MathsIsFun
Administrator
Registered: 2005-01-21
Posts: 7,711

Re: Making a necklace

You could undo a link from the first chain, and use it to link two other chains, and again, and you would have, for $4:

oo ooooooooo ooooooooo


"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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#4 2009-07-30 08:15:38

wintersolstice
Real Member
Registered: 2009-06-06
Posts: 128

Re: Making a necklace

Funny how when I posted this puzzle(and it was the "exact" same puzzle!)
(in the "chain puzzles" thread) with some harder ones aswell, no one answered. So what did I do wrong?


Why did the chicken cross the Mobius Band?
To get to the other ...um...!!!

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#5 2009-07-30 11:01:28

quittyqat
Member
Registered: 2009-04-08
Posts: 1,215

Re: Making a necklace

soroban wrote:

.

. . .


Since it didn't say that she wants them all joined, the minimum is $4.


I'll be here at least once every decade.

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#6 2009-07-30 18:14:18

Tigeree
Member
Registered: 2005-11-19
Posts: 13,883

Re: Making a necklace

I meant $20 not 18. Man, was my brain out that day.


People don't notice whether it's winter or summer when they're happy.
~ Anton Chekhov
Cheer up, emo kid.

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#7 2009-08-01 02:21:09

wintersolstice
Real Member
Registered: 2009-06-06
Posts: 128

Re: Making a necklace

The answer is $8 Just break up one chain into it's 4 links and put them between the remaining four and then close them.

Look at my thread chain puzzles for some harder ones:D

Last edited by wintersolstice (2009-08-01 02:35:01)


Why did the chicken cross the Mobius Band?
To get to the other ...um...!!!

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