The sum of ages of 5 children born 3 years different each is 65 yrs. What is the age of the Elder child?	Choose one:	A) 17	B) 19	C) 16	D) 18	E) 21
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years.   Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 65   5x = 35   x = 7.   x+12= 7+12= 
<gadget id="calculator">7+12</gadget>
<output>19</output>
19   19
<result>B</result>
The sum of ages of 5 children born 3 years different each is 65 yrs. What is the age of the Elder child?