math

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if a 3-foot -tall child casts a shadow that is 2 feet long, how tall is a telephone pole that casts a shadow that is 40 feet long?

  • math -

    Use a proportion.

    3/2 = x/40

    2x = 120

    x = ?

  • math -

    3/2 = x/40
    2x = 120
    x = 60

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