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A flagpole is 20 feet tall and its shadow is 8 feet long. A nearby building has a shadow 31 feet long. How tall is the building?

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  1. 5 May, 06:44
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    77.5 feet.

    Step-by-step explanation:

    The shadow is proportionate to the height of the building.

    20 divided by 8 is 2.5.

    The height is 2.5 times the shadow length.

    2.5 times 31 is 77.5 feet tall.
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