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Slippery Supplier (Posted on 2013-11-12) Difficulty: 2 of 5
A grocer has six suppliers with each supplier selling a different brand of tea in 4-ounce packets at $ 20 per packet. The grocer knows that one of the suppliers gives short weight, each packet of his brand weighing only 3.75 ounces.

Using a digital scale with only one weighing, what is the minimum amount the grocer must spend to be sure of finding the supplier who gives short weight?

  Submitted by K Sengupta    
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Solution: (Hide)
The grocer should buy 15 packets, spending $300.

For a detailed explanation, refer to the solution submitted by Charlie in this location.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): Corrected for 6 supp. --thanks, Steve!Ady TZIDON2013-11-12 16:59:39
Solutionsolution.Charlie2013-11-12 13:53:16
re: Corrected for 6 supp. --thanks, Steve!Steve Herman2013-11-12 13:47:49
SolutionCorrected for 6 supp. --thanks, Steve!Ady TZIDON2013-11-12 12:07:55
re: answer - spoilerSteve Herman2013-11-12 11:36:32
Solutionanswer - spoilerAdy TZIDON2013-11-12 11:02:44
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