SOLUTION: Find the height of a tree that casts a 90 foot shadow, if an adjacent 2 1/2 foot high fence post casts a 2 foot shadow.

Question 587451: Find the height of a tree that casts a 90 foot shadow, if an adjacent 2 1/2 foot high fence post casts a 2 foot shadow.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the height of a tree that casts a 90 foot shadow, if an adjacent 2 1/2 foot high fence post casts a 2 foot shadow.
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Proportion:
x/90 = (2 1/2)/2
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x/90 = 5/4
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x = 90(5/4)
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x = 450/4
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x = 112.5 ft.
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Cheers,
Stan H.
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