The average age of nine members in a team is 24years.when a new member joins the team,the average age of the team becomes 27 years.what is the age of new members?
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the avg of 9 numbers are 24
the sum of 9 numbers are 216
the avg of 10 numbers are 27
the sum of 10 numbers are 270
the age of new member is 270-216=54
answer is 54
the sum of 9 numbers are 216
the avg of 10 numbers are 27
the sum of 10 numbers are 270
the age of new member is 270-216=54
answer is 54
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