The average age of 50 pupils in a class is 10.5. If the class teacher is included, the average increases by 0.5. Then the age of the class teacher is
Answers
Answered by
1
here is your answer....
Attachments:
Similar questions
Computer Science,
7 months ago
Physics,
7 months ago
Math,
7 months ago
Chemistry,
1 year ago
Biology,
1 year ago