document.write( "Question 906550: a mother is 46 years old and her son 21 years old in the year 1997.In what year was the mother six times as old as son? \n" ); document.write( "
Algebra.Com's Answer #549945 by ankor@dixie-net.com(22740)\"\" \"About 
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a mother is 46 years old and her son 21 years old in the year 1997.
\n" ); document.write( "In what year was the mother six times as old as son?
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\n" ); document.write( "Let y = no. yrs ago Mom was 6 times as old as the son
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\n" ); document.write( "46 - y = 6(21 - y)
\n" ); document.write( "46 - y = 126 - 6y
\n" ); document.write( "-y + 6y = 126 - 46
\n" ); document.write( "5y = 80
\n" ); document.write( "y = 80/5
\n" ); document.write( "y = 16 yrs ago
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\n" ); document.write( "1997 - 16 = 1981 Mom was 6 times son
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\n" ); document.write( "Confirm this by finding how old each was 16 yr ago
\n" ); document.write( "46 - 16 = 30
\n" ); document.write( "21 - 16 = 5
\n" ); document.write( "6 * 5 = 30
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