Credit hour is simply the number of hour a student must dedicate to classes per week.
<em>The student should take not more than 7 credit hours.</em>
From the question, we have the following observations:
- The student is working class
- The student wants to have a high grade point average
- The student wants to graduate as early as possible
The standard credit hour for working class students in an institution is usually 3 to 6 hours.
This can be represented as: <em>Not more than 6 hours</em>
From the complete question, the closest credit hours to <em>"not more than 6 hours"</em> is <em>"not more than 7 hours"</em>
Hence, the student should take not more than 7 credit hours
Read more about credit hours at:
brainly.com/question/17951838