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Thread: Scale factor

  1. March 13th 2013, 06:02 PM #1
    chels2000
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    Scale factor

    Luanne made a photocopy of a drawing of a rectangle. The original drawing was 4.5 inches wide and 6 inches long. The copy was 6.75 inches wide and 9 inches long. What was the scale factor for Luanne's copy?


    A) 1.5

    B) 2

    C) 2.25

    D) 3

    HELP ME!!!
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  2. March 13th 2013, 06:20 PM #2
    Shakarri
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    Re: Scale factor

    scale factor=\frac{final\,size}{original\, size}
    Last edited by Shakarri; March 13th 2013 at 07:07 PM.
    Thanks from chels2000
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