SOLUTION: the average age of 14 students and a teachers of a class is 17 year out of these the average age of 5 students is 14 years and that of other 9 students is 16 years then what is age
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Question 826169: the average age of 14 students and a teachers of a class is 17 year out of these the average age of 5 students is 14 years and that of other 9 students is 16 years then what is age of teacher
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Equation for the teachers and students:
Sum of all their ages =
----------------
Equation for the 5 students:
Sum of their ages =
---------------------
Equation for the 9 students:
Sum of the ages =
--------------
The teacher's age is
The teacher is 41
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