Answer:
243cm squared
Step-by-step explanation:
The equation computed shows that the number of minutes that it will take to process fifteen passengers is 11.11 minutes.
<h3>How to solve the equation</h3>
Since Katrina averages fifteen passengers every twenty minutes and Stefon also works for the airline and averages fifteen passengers every twenty-five minutes, this can be represented this:
1/x = 1/20 + 1/25
1/x = 9/100
9x = 100
Divide through by 9
x = 100/9
x = 11.11 minutes
Learn more about equations on:
brainly.com/question/1214333
Answer: 
Step-by-step explanation:
Step 1) Make 9 into a Fraction: 
Step 2) Multiply:
and 
Step 3) Your answer should be: 
Step 4) Divide
and get 