Chemistry, asked by mantasha936943, 4 hours ago

. The average of 90 students of your class is 21 years. If 30 of them are over 22 years and their average age is 25 years, what is the average age of the students under 22 years.

Answers

Answered by sandhyapandey7692

Answer:

25 year I think so hopeful it help you

Answered by nikhilanshu85

Answer: 19 year

Explanation:

Total age of total students is 90*21=1890 , Total age of 30 students is =25*30=750,the total age of remain student =1890-750=1140, Average age =1140/60=19year

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. The average of 90 students of your class is 21 years. If 30 of them are over 22 years and their average age is 25 years, what is the average age of the students under 22 years. ​

Answers

. The average of 90 students of your class is 21 years. If 30 of them are over 22 years and their average age is 25 years, what is the average age of the students under 22 years.