A family consists of 2 man, 2 women and 3 transgender. The average age of the man is 67 years, that of the women is 35 years and that of the transgender is 6 years. What is the average age of the family?
Choose the correct answer.
A) 20 1/5	B) 21 2/7	C) 31 5/7	D) 35 4/5	E) 35 7/11
Required average   = 67 x 2 + 35 x 2 + 6 x 3   2 + 2 + 3   = 134 + 70 + 18   7   =	222   7   = 31 5/7 years   31 5/7
<result>C</result>
A family consists of 2 man, 2 women and 3 transgender. The average age of the man is 67 years, that of the women is 35 years and that of the transgender is 6 years. What is the average age of the family?