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Mathematics 8 Online
OpenStudy (anonymous):

A miner descended 1500 feet into a mine. While in the mine, he then rose 1200 feet and then descended 850 feet. What was the miner's net gain or loss in altitude? A. –550 ft B. 1150 ft C. 550 ft D. –1150 ft

OpenStudy (blank ):

-1500 + 1200 - 850 = -1150 D. –1150 ft

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