document.write( "Question 433650: three years ago the average age of a family of six members was 19 years. A baby having been born, the average age of the family is same today. what is the age of baby \n" ); document.write( "
Algebra.Com's Answer #300610 by rwm(914)\"\" \"About 
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(f-18)/6=19
\n" ); document.write( "(f+b)/7=19
\n" ); document.write( "b=1 f=132
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