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MathematicsMathematics
26 February, 10:31

Andy has a collection of movie DVD's. In Andy's collection 3/5 of the DVD's are action and 1/4 of the DVD's are comedy. Andy said 4/9 of his collection is action is action or comedy. Cindy said that Andy made an error. Explain whether or not Andy is correct or incorrect and why.

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  1. 26 February, 10:42
    0
    Andy is wrong.

    3/5 = 12/20

    1/4 = 5/20

    Add them up

    12/20 + 5/20 = 17/20

    17/20 is not equal to 4/9
  2. 26 February, 13:25
    0
    Yeah andy is wrong.

    3/5 = 12/20

    1/4 = 5/20

    12/20 + 5/20 = 17/20

    17/20 does not = 4/9
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Home » Mathematics » Andy has a collection of movie DVD's. In Andy's collection 3/5 of the DVD's are action and 1/4 of the DVD's are comedy. Andy said 4/9 of his collection is action is action or comedy. Cindy said that Andy made an error.
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