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

Question

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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Farah 5 months 2021-08-27T21:03:05+00:00 2 Answers 2 views 0

Answers ( )

  1. thienhuong
    0
    2021-08-27T21:04:23+00:00
    Reply

    There is only 1 plane left at the airport
    8-5+7-9=1

  2. Doris
    0
    2021-08-27T21:04:35+00:00
    Reply

    Answer:

    19

    Step-by-step explanation:

    20 – 8 = 12

    12 + 5 = 17

    17 – 7 = 10

    10 + 9 = 19

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