The average age of class of 40 students is 18 year when the teachers age is also included to calculate the average age becomes 19 year what is the teachers age
Answers
Answered by
2
Answer:
age = 59yr
Step-by-step explanation:
. total age of 40 students =40×18
=520 yrs
avg age of all students and teacher
=. 19 yrs
total age of all students and teacher is = 41×19
=779 yrs
age of teacher=779-520
=59 yr
Similar questions