In a school, the average age of students is 6 years, the average age of 12 teachers is 40 years. If the average age of the combined group of all the teachers & students is 7 years, then the number of students is?
Answers
Answered by
12
Step-by-step explanation:
answer is in the above picture
Attachments:
Similar questions
History,
5 months ago
Social Sciences,
5 months ago
Math,
11 months ago
Chemistry,
1 year ago
Math,
1 year ago