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23 September, 13:52

Alex made a sketch for a poster contest. The sketch measures 4 in. * 5 in. The scale factor from the sketch to the finished poster was 2 in. to 5 in. What were the dimensions of the poster?

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  1. 23 September, 17:25
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    4*5/2 = 10

    5*5/2 = 25/2 = 12/5

    The poster is 10 x 12.5 inches.
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