A family consists of two grandparents, two parents, and four grandchildren. The average age of the grandparents is 66 years, the average age of the parents is 40 years, and the average age of the grandchildren is 11 years. What is the average age (in years) of the family?	Choices
A) 26 B) 28 C) 30 D) 32 E) 34
Total age of the grandparents = 66 Ã— 2 = 132   Total age of the parents = 40 Ã— 2 = 80   Total age of the grandchildren = 11 Ã— 4 = 44   Average age of the family = (132+80+44)/8 = 256/8= 
<gadget id="calculator">256/8</gadget>
<output>32</output>
32 years   The answer is 32.
<result>D</result>
A family consists of two grandparents, two parents, and four grandchildren. The average age of the grandparents is 66 years, the average age of the parents is 40 years, and the average age of the grandchildren is 11 years. What is the average age (in years) of the family?