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12-02-2018
Mathematics

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a 10 foot flagpole casts a 4 foot shadow. At the exact time a 15 foot tree casts a shadow. What is the length of the trees shadow?

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12-02-2018

Since the shadows were casted at the same time those dimentions are in proportion

10 foot flagpole 4 foot shadow

15 foot tree ? shadow

cross multiply

15·4/10=60/10=6 foot shadow

answer is 6 foot

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