Question

In a class,
average age of 41 students is 13.5
then the age of the class teacher is added to the total ages of the students
then the average increase. by 6 months .
Find the age of teacher.​

Answer 1

Answer:

(sum of all ages )/ ( no of students)= average value

X= sum of ages of all students

Y= age of teacher

X/30=9 or X=270

(X+y)/31=10 or X+y=310

Or age of teacher= 310–270=40

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Answer 2

Answer:

Step-by-step explanation:

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