the average age of 27 students of a class is 22 if the age of the teacher is also added to their ages then the average increased by 1 find the age of a teacher
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Step-by-step explanation:
Let the age of teacher be X years and one student be y years
Total Age of 27 students=27y
27y/27=22------(I)
27y+X=22+1----(II)
Now,solve these two equations and you'll get the value of both X and y
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