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A Cup Of Coffee II (Posted on 2012-03-06) Difficulty: 3 of 5
This is in continuation of A Cup Of Coffee.

You have a five cup mug, a three cup mug, a water supply, a sink with a drain, and a packet of instant coffee which when dissolved in one cup of water produces coffee of strength 100%.

The packet may be used at any time, but the entire contents of the packet must be dissolved into a single mug when it is used.

What integer values of c (from 1 to 25 inclusively) is possible if the task is to fix 4 cups of coffee at exactly c% strength? Prove that these are indeed the only possible values of c.

No Solution Yet Submitted by K Sengupta    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some Thoughtsminimum number of steps for the given pctsCharlie2012-03-09 13:14:39
re(2): possible solutionDej Mar2012-03-07 14:14:06
re(4): Possible solutionbroll2012-03-07 12:51:25
re(3): Possible solutionCharlie2012-03-07 10:57:12
re: possible solutionCharlie2012-03-07 10:39:52
How to get 8%?Jer2012-03-07 09:12:08
possible solutionDej Mar2012-03-07 05:48:53
re(2): Possible solutionbroll2012-03-06 23:35:51
re: Possible solutionCharlie2012-03-06 15:28:55
Possible solutionbroll2012-03-06 13:56:56
Some Thoughtscomputer exploration to what's possible up to 15 stepsCharlie2012-03-06 13:54:14
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