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04-11-2020
Mathematics

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A tree casts a shadow 60 feet long. At the same time, a nearby 8-foot post casts a 12- foot shadow. How tall is the tree?

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05-11-2020

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Answer:

40 ft

Step-by-step explanation:

The post is 8/12 = 2/3 as tall as the shadow is long. We expect the same relationship holds for the tree.

tree height = (2/3)(shadow length) = (2/3)(60 ft) = 40 ft

The tree is 40 feet tall.

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