The sum of the ages of 5 children born at the intervals of 3 years each is 70 years. What is the age of the youngest child?	Pick.
A) 2 years B) 4 years C) 6 years D) 8 years E) 10 years
Let the ages of the children be x, (x + 3), (x + 6), (x + 9) and (x +12) years.   Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 70   5x = 40 =&gt; x = 8.   Age of youngest child = x = 8 years.   ANSWER:8 years
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The sum of the ages of 5 children born at the intervals of 3 years each is 70 years. What is the age of the youngest child?