document.write( "Question 804545: suppose a's age is one fourth of b, b's age is twice the age of c after 6 years, c celebrated his fifth birthday eight years ago, so what is a's age? \n" ); document.write( "
Algebra.Com's Answer #484809 by erica65404(394)\"\" \"About 
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4a=b
\n" ); document.write( "b=2c-6
\n" ); document.write( "c=5+8
\n" ); document.write( "c=13
\n" ); document.write( "b=2(13)-6
\n" ); document.write( "b=20
\n" ); document.write( "4a=20
\n" ); document.write( "a=5
\n" ); document.write( "
\n" );