the average age of a class of 40 boys is 11.5 years. the average of the class is raised to 12 years by the coming of a new boy. how old is the new boy?
Answers
Answered by
1
Answer:
the answer will be 12.5
Answered by
1
Answer:
12.5old
Step-by-step explanation:
if age increase by 6month then the age will be 12.5
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