Question

(1.)a plane was flying at 12000m. it descended 8000m as it approached the Indian Ocean. how high was it then?

(2.) After taking off from Chennai airport, an aeroplane rose 800m per minute fo 9 minutes. later on, during the flight the plane descended 750m a minute for 4 minutes. what was its altitude then?​

Answer 1

Answer:

1. 4000 m

2.The altitude is 6450

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Answer 2

ans.

1. 4000m
2. altitude is 6530.