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OpenStudy (anonymous):
Kalon and his friend Marna own a chimney sweep service company. Working together, they can clean a chimney in 1mc021-1.jpg hours. If it takes Kalon 4 hours to clean a 20-foot chimney by himself, how long does it take Marna to clean the same size chimney by herself?
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OpenStudy (anonymous):
that is one funky amount of hours
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