Question
The average age of 28 students is 12 years. The average of boys is (b + 2) and that of girls is (b − 4). If the ratio boys : girls is 1 : 1, find
The average age of 28 students is 12 years. The average of boys is (b + 2) and that of girls is (b − 4). If the ratio boys : girls is 1 : 1, find
b.
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