boldandheroic10 boldandheroic10

22-06-2021
Mathematics

contestada

Twenty planes are at an airport. Eight planes take off, then five planes land, then 7
more take off, then 9 land. How many planes are left at the airport? PLS HELPP

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zabossfufu zabossfufu

22-06-2021

Answer:

19

Step-by-step explanation:

20 - 8 = 12

12 + 5 = 17

17 - 7 = 10

10 + 9 = 19

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