Greetings, I have an example of a question and answer I am trying to use to understand how to do this type of problem. But I can't understand where they are getting the number 0.21h! Please see attachment for full problem. Thanks so much!
Greetings, I have an example of a question and answer I am trying to use to understand how to do this type of problem. But I can't understand where they are getting the number 0.21h! Please see attachment for full problem. Thanks so much!