Answer:
The required inequality is:

Explanation:
Consider the provided information,
To qualify for the championship, a runner must complete the race in no more than 50 minutes.
Let t represent the time in minutes of a runner who qualifies for the championship.
Here it is given that the value of t is no more than 50, that means the value of t is less than or equal to 50.
For less than or equal to use the inequality ≤.
Hence, the required inequality is:
