The average age of a family of 6 members is 22 years.If the age of the youngest member is 7 years,what was the average age of the family at the birth of the youngest member?	Choose the correct choice from the following answers: A) 15 B) 18 C) 21 D) 12 E) 19
Present age of total members = 6 X 22 = 132   7 yrs back their ages were = 6 x 7 = 42   Ages at the birth of youngest member = 132 - 42= 
<gadget id="calculator">132 - 42</gadget>
<output>90</output>
90   Therefore, avg age at the birth of youngest member= 90/6= 
<gadget id="calculator">90/6</gadget>
<output>15</output>
15.   15NSWER:15
<result>A</result>
The average age of a family of 6 members is 22 years.If the age of the youngest member is 7 years,what was the average age of the family at the birth of the youngest member?