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7 May, 12:50

8 1/2 by 11 inches dilated to 1 7/10 inches by 2 1/5 inches. what is the scale factor

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  1. 7 May, 13:38
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    8 1/2 by 11.

    Area1 = 8 1/2 * 11

    Area1 = 17 / 2 * 11 = 187/2

    17/10 by 2 1/5

    Area2 = 17/10 * 11/5

    Area2 = 17 / 10 * 11/5 = 187/50

    Scale factor = Area1 / Area2

    = 187/2 : 187/50

    = 187/2 * 50/187

    = 25

    Scale factor = 25
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