DaddyMula DaddyMula

31-03-2015
Mathematics

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a flagpole casts a shadow that is 26ft long. a yardstick casts a shadow that is 4ft long how tall is the flagpole

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BaritoneBazooka BaritoneBazooka

31-03-2015

This a problem on proportions. 4:3 = 26:X The three comes fro a yardstick equaling three feet in length. 26/4=6.5. The numbers in the 2nd ratio are 6.5 times larger, so X = 6.5(3). 3 times 6.5 = 19.5. The flagpole is 19.5 feet tall.

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