taterbug1 taterbug1
  • 01-09-2016
  • Mathematics
contestada

In the last hour, 7 planes have landed at the airport and 11 planes have taken off. Use addition to find the change in the total number of airplanes in the last hour

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jimenagbrn
jimenagbrn jimenagbrn
  • 01-09-2016
7+11= 18 planes in the last hour
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