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19 November, 15:45

a architect uses a scale drawing with a scale factor of 1 cm:20 feet. if a actually building is 120 feet tall how many centimeters would it e

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  1. 19 November, 17:52
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    The answer is 6

    Explanation:

    1 cm : 20 feet

    y cm : 120 feet

    (We will use cross multiplication)

    20y = 120*1

    20y / 20 = 120/20. (left-side: the 20's will be cancelled)

    y = 120/20

    y = 6
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