Question 1205541
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how many kids are in the chorus if no one is younger than 10 years old, 
20 kids are 10 or younger, 8 are older than 10, and six are older than 11?
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None younger than 10, and 20 of them 10 or younger, means there are 20 who are 10 years old.


Then 8 older than 10 makes a total of 28.


The 6 that are older than 11 have already been counted, because they are older than 10.


ANSWER: 28