A pilot took off and brought her airplane to an elevation of 15,000 feet. Over the next 2 hours, the pilot change the elevation of her plane several times, as listed in feet: -2,500 +3,000 -1,000 +2,500

asked Apr 25, 2019 112k views

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15,000 - 2,500
=12,500 + 3,000
=15,500 - 1,000
=14,500 + 2,500
=17,000 - 3,000
=14,000 ft after 2 hours

Jeanmarc answered May 1, 2019

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