document.write( "Question 1031271: the average age of 3 children in the family is 9yrs. if the average age of their parent is 39 yrs,the average age of the whole family is........... \n" ); document.write( "
Algebra.Com's Answer #646027 by ikleyn(52814)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "the average age of 3 children in the family is 9yrs. if the average age of their parent is 39 yrs,the average age of the whole family is........... \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |