document.write( "Question 405878: Bart's age is one-third of his mother's age. 7 years ago, his age was one-fifth of hers. How old are both now? \n" ); document.write( "
Algebra.Com's Answer #286594 by mananth(16946)\"\" \"About 
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Bart is 1/3 of mother's age
\n" ); document.write( "So mother is 3 times Bart's age
\n" ); document.write( "Bart's age =x
\n" ); document.write( "mother's age =3x
\n" ); document.write( "..
\n" ); document.write( "7 years ago
\n" ); document.write( "Bart is 1/5 of her age
\n" ); document.write( "so she is 5 times his age
\n" ); document.write( "bart --- x-7
\n" ); document.write( "mother --- 3x-7
\n" ); document.write( "3x-7 =5(x-7)
\n" ); document.write( "3x-7= 5x-35
\n" ); document.write( "5x-3x=35-7
\n" ); document.write( "2x=28
\n" ); document.write( "/2
\n" ); document.write( "x=14 Bart's age
\n" ); document.write( "Mother's age => 3x = 42 years\r
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