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Average age of ten persons learning dance is 32 years. When the age of their instructor is added, the average age...
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The average age of 10 persons = 32 years∴ Total sum of ages of 10 persons = 10 × 32 = 320 yearsLet the age...
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The average age of 10 persons = 32 yearsThe average age of 10 persons and the instructor = 34 yearsInstructors age =...
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