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The surface, or rim, of a canyon is at an altitude of 71 m. On a hike down into the canyon, a Party of hikers stops for a rest 114 m below the rim. Then they descend another 64 m. What is their new altitude?

User Shodanex
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1 Answer

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60 to minus 129 - = - 69 -68 = -137m
User Baudot
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