Seudónimo Seudónimo
  • 01-01-2017
  • Mathematics
contestada

A commercial jet liner hits an air pocket and drops 274 feet. After climbing 195 ​feet, it drops another 139 feet. What is its overall vertical​ change?

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LAldridge01
LAldridge01 LAldridge01
  • 01-01-2017
-274 + 195 - 139 + -218
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royalranger
royalranger royalranger
  • 01-01-2017
It dropped 274

Then went up 195, so:
274 - 195 = 79

Then it dropped another 139, so:
79 + 139 = 218

The total vertical change from where it started was 218 feet. 
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