Credit hour is simply the number of hour a student must dedicate to classes per week.
The student should take not more than 7 credit hours.
From the question, we have the following observations:
The standard credit hour for working class students in an institution is usually 3 to 6 hours.
This can be represented as: Not more than 6 hours
From the complete question, the closest credit hours to "not more than 6 hours" is "not more than 7 hours"
Hence, the student should take not more than 7 credit hours
Read more about credit hours at:
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