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5 September, 07:37

In the scale used on a blueprint 1 4 inch represents 2 feet on the blueprint what is the length of a room with and actual of 20 feet

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  1. 5 September, 08:16
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    Set up a proportion.

    0.5 / 4 = 2.8 / x

    Cross multiply.

    0.5x = 4 * 2.8

    0.5x = 11.2

    x = 22.4
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