nawalfarrukh4569 nawalfarrukh4569
  • 03-06-2024
  • Mathematics
Answered

Question A history class is made up of 12 tenth-graders and 9
eleventh-graders. The tenth-graders averaged 77 on the midterm exam
and the eleventh-graders averaged 91 . What was the average grade
on t



Answer :

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