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24 March, 16:47

A building with a height of 40 ft casts a shadow that is 16ft long. A person standing next to the building casts a shadow that is 2ft long. How tall is the person?

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  1. 24 March, 17:04
    0
    16ft long shadow of a building when the building true height is 40 ft

    1 ft long shadow of a building when the building true height is 40/16 ft

    2 ft long shadow of a person when the building true height is (40x2) / 16 = 5ft (ans)
  2. 24 March, 17:08
    0
    Ratio:

    40ft / 16ft = 2,5

    soo ...

    x / 2ft = 2,5

    answer:

    x = 5ft
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