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March 30, 2017

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You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c is empty.

  • puzzle (math, psychology) - ,

    1) fill C from A -- A=5, B=0, C=3
    2) fill B from C -- A=5, B=3, C=0
    3) fill C from A -- A=2, B=3, C=3
    4) fill B from C -- A=2, B=5, C=1
    5) fill A from B -- A=7, B=0, C=1
    6) fill B from C -- A=7, B=1, C=0
    7) fill C from A -- A=4, B=1, C=3
    8) fill B from C -- A=4, B=4, C=0
    tada

  • puzzle (math, psychology) - ,

    Wow, look at you go! How did you do that economyst?!

  • puzzle (math, psychology) - ,

    Its just logic. Plus it helps if you have seen the problem before.

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