A family consists of two grandparents, two parents, and three grandchildren. The average age of the grandparents is 65 years, the average age of the parents is 36 years, and the average age of the grandchildren is 5 years. What is the average age (in years) of the family?	Options:
A) 31
B) 32
C) 33
D) 34
E) 35
Total age of the grandparents = 65 Ã— 2 = 130   Total age of the parents = 36 Ã— 2 = 72   Total age of the grandchildren = 5 Ã— 3 = 15   31verage age of the family = (130+72+15)/7 = 217/7= 
<gadget id="calculator">217/7</gadget>
<output>31</output>
31 years   The answer is 31.
<result>A</result>
A family consists of two grandparents, two parents, and three grandchildren. The average age of the grandparents is 65 years, the average age of the parents is 36 years, and the average age of the grandchildren is 5 years. What is the average age (in years) of the family?