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A submarine descended 1200 meters below the surface of the water. It then rose 800 meters and then descended 250 meters. What was the submarine's net gain or loss in altitude? {Note: m stands for Meters}
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Dec 16, 2017
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A submarine descended 1200 meters below the surface of the water. It then rose 800 meters and then descended 250 meters.
What was the submarine's net gain or loss in altitude? {Note: m stands for Meters}
A. -1200 m
B. -650 m
C. -400 m
D. 650 m
Mathematics
middle-school
Timgluz
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Descending = (-1200)
Ascending = -1200 + 800 = (-400)
Again, descending = -400 -250 = (-650)
So, its 650 m below sea level.
Gcastro
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Dec 17, 2017
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-1200 + 800 - 250 = -650
Krishnakumarp
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Dec 23, 2017
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