SOLUTION: The average age of 12 children is 10 years 3 months .What is their total age? If the ages of a pair of twins is added and the new average becomes 10 years 6 months. What is the age
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Question 942830: The average age of 12 children is 10 years 3 months .What is their total age? If the ages of a pair of twins is added and the new average becomes 10 years 6 months. What is the age of each twin?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Total Age= 12 children * 10.25 years/child= 123 years
Plus twins, the average age of 14 children is 10.5 years
14 children * 10.5 years= total age=147 years
147 years-123 years=24 years added by two twins,
Each would be 24 years/2=12 years old
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