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20 January, 02:43

A building is casting a 140 foot shadow at the same time a nearby post is casting a 10 ft shadow. If the post is 18 feet tall how tall is the building

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  1. 20 January, 03:05
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    Answer: 252 feet tall

    Step-by-step explanation:

    1) make a proportion

    x/18=140/10

    2) solve

    10x=140*18

    x=140*18/10

    x=14*18

    x=252

    3) Answer

    The building is 252 feet tall
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