Question

sawal class 7 an aeroplane was flying at a height of 1500m.from the time it started to land, it made of change of 80 m in every minute. how many minutes will it take to descend to a height of 320 m ? solution​

Answer 1

Answer:

1 minute... 80 m down

320 m down in 1 × 4 minutes

= 4 minutes