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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?

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Voytekid
The scale factor is:
[tex]6,75/4,5 = 9/6 = 1,5[/tex]

So you divide the corresponding lengths and the ratio you get is the scale factor. Hope it helps!

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