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math

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what is the process for solving the following question?

John is 72 inches tall and casts a 40 inch shadow.
A monument casts a 24 foot shadow. How tall is the monument?

  • math -

    72/40 =h/24
    so
    h = 24 (72/40) feet

  • math -

    Change the inches to feet.

    72 inches = 6 feet
    40 inches = 3.333 feet

    Set up a proportion and cross multiply.

    6/3.333 = x/24

  • math -

    Thank you so much!

  • math -

    LOL
    72/40 = 6/3.3333....

  • math -

    Ratio of height to shadow length could be in shoelace lengths as long as the same shoelace is used top and bottom.

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