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26 September, 00:25

A pole casts a 70-foot shadow. At the same time, a 3-foot mailbox near the pole casts a shadow 3 feet 6 inches. Find the height of the pole in feet.

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Answers (2)
  1. 26 September, 00:39
    0
    60 ft because

    This can be solved by setting up a proportion.
  2. 26 September, 01:02
    0
    60 ft

    Step-by-step explanation:

    This can be solved by setting up a proportion.

    height of the pole/length of the pole's shadow = height of the mailbox/length of the mailbox's shadow

    height of the pole = x

    plugging in values

    x/70 = 3/3.5 To solve, cross multiply

    (3.5) (x) = (70) (3) Simplify

    3.5x = 210 Divide both sides by 3.5

    3.5x/3.5 = 210/3.5

    x = 60 ft is the height of the pole
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