The sum of the ages of 4 children born at the intervals of 3 years each is 38 years. What is the age of the youngest child?  Choose the correct choice from the following choices: A) 2 years B) 3 years C) 4 years D) 5 years E) 6 years
Let the ages of the children be x, (x + 3), (x + 6), (x + 9) years.   Then, x + (x + 3) + (x + 6) + (x + 9) = 38   4x = 20 =&gt; x = 5.   Age of youngest child = x = 5 years.   ANSWER:5 years
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The sum of the ages of 4 children born at the intervals of 3 years each is 38 years. What is the age of the youngest child?