The inequality for speed is s<270.
Inequality shows relation between two expression which are not equal to each others.
Given that,
Most of the helicopters fly at speed of less than 270 kilometers,
Let the speed in denoted by s,
s is less than 270,
Use inequality to solve this data,
s<270
To know more about Inequality on:
https://brainly.com/question/20383699
#SPJ1