Two years ago the mean age of 40 people was 11 years.Now a person left the group, the mean age is changed to 12 years. find the age of the person who
left the group?
Answers
Answered by
1
Answer:
so
Step-by-step explanation:
Slam shell Jan Jan ab en an to ya JC JC JC JC JC ix ix tax sh Whatmore when
Similar questions