document.write( "Question 283256: A mother is twice as old as her daughter now, but 10 years ago, she was 3 times as
\n" ); document.write( "old as her daughter. Find their ages at present.
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Algebra.Com's Answer #205675 by mananth(16949)\"\" \"About 
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Let the daughter's age be x\r
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\n" ); document.write( "\n" ); document.write( "Ten years ago\r
\n" ); document.write( "\n" ); document.write( "daughter's age x-10\r
\n" ); document.write( "\n" ); document.write( "Mother's age 3(x-10)\r
\n" ); document.write( "\n" ); document.write( "x-10 =3(x=10)\r
\n" ); document.write( "\n" ); document.write( "x=10=3x-30\r
\n" ); document.write( "\n" ); document.write( "3x-x=10+30\r
\n" ); document.write( "\n" ); document.write( "2x=40\r
\n" ); document.write( "\n" ); document.write( "x=40/2\r
\n" ); document.write( "\n" ); document.write( "x=20 Daughter's age now\r
\n" ); document.write( "\n" ); document.write( "Mother's age is 2x = 2*20 = 40 years
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