the average age of a class of 35 students is 14 years . of the teacher age is included , the average age increase by one year . find the age of the teacher
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Answer:
50 years
Step-by-step explanation:
35 * 14 = 490 this average age with 35 students
if teacher comes in then strength is 35+1 = 36
and age is increased by one that is 14+1 = 15
New average is 36*15 = 540
540-490 = 50
teacher age is 50 years
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50 is the teacher age
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