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altitude above sea level is given in positive values and below sea level is given in negative values. if andrew started at sea level and decreased his altitude by 15 meters before increasing his altitude
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altitude above sea level is given in positive values and below sea level is given in negative values. if andrew started at sea level and decreased his altitude by 15 meters before increasing his altitude by 8 meters, what was his final altitude?

User Alessandro Chitolina
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The answer is -7. -15 + 8 = -7

User Muhnamana
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