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
-3,000
What is the elevation of the pilot's plane after the 2 hours?
1 answer:
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
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