RE: guess it?

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guess it?

in quiz •  7 years ago 

  1. 3a = 30
    a = 10

  2. 2a + b = 40
    20 + b = 40
    b = 20

  3. a + 2b + 2c = 60
    10 + 40 + 2c = 60
    2c = 10
    c = 5

quiz
7 years ago by

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