The average age of the first three children in a class is 13.5 years. If the sum of the ages of the first two children is 25 years, then what is the age of the third child?
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24
Total age = 3 * 13.5 = 40.5
Third child age is 40.5 - 25 = 15. 5 year
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Third child age is 40.5 - 25 = 15. 5 year
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6
Answer:
3*
Step-by-step explanation:
3*13.5= 40.5 then 40.5-25 = 15.5
Ans= 15.5 year
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