106k views
0 votes
A commercial jet has been instructed to climb from its present altitude of 9000 feet to a cruising altitude of 57000 feet. If the plane ascends at a rate of 4000 ft/min, how long will it take to reach its cruising altitude

1 Answer

4 votes

Answer:

12 min.

Explanation:

9000+4000x=57000

4000x=48000

x=12

User Jmunsch
by
5.4k points