the average age of 36 student in a group is 14 yrs.wnen teachrs age is included in it,the average increaes by one.The teachers age in years is
Answers
Answered by
2
Answer:
51 years old
Step-by-step explanation:
Sum of ages of children: 36*14
New sum including teacher's age: 37*15
The difference of above 2 gives teachers'r age: 37*15-36*14=51 years old
Similar questions