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Exercises

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Exercise 10

Johnny and his older, taller brother are standing 3 feet apart from each other. Johnny has already explained that this is how much room he needs for his "personal space bubble," and his brother can respect that. Johnny was trying to balance a perfectly straight, 4-foot stick on its end on top of his head, but he lost control of it and it fell, the opposite end of it landing on top of his brother's head. If his brother is 6 feet tall, how tall is Johnny?

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