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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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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

User NerdFury
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7+11= 18 planes in the last hour
User Kszl
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