Question

An aeroplane was flying at a height of 1600 m.
From the time it started to land, it made a change
of 70 m in every minute. How many minutes will
it take to descend to a height of 200 m?​

Answer 1

$\Large{\underbrace{\sf{\purple{Required\:Answer:}}}}$

Height at which the aeroplane is flying = 1600 m Height to travel to come down to 200 m from

the ground = 1600 - 200 = 1400 m

Rate of change = 70 m in every minute

Time taken to come down by 1400 m

= 1400 / 70 = 20 minutes.

Answer 2

Answer:

Height at which the aeroplane is flying = 1600 m Height to travel to come down to 200 m from

the ground = 1600 - 200 = 1400 m

Rate of change = 70 m in every minute

Time taken to come down by 1400 m

= 1400 / 70 = 20 minutes.

Step-by-step explanation:

hope it helps you!