document.write( "Question 283256: A mother is twice as old as her daughter now, but 10 years ago, she was 3 times as
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document.write( "old as her daughter. Find their ages at present. \n" );
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Algebra.Com's Answer #205675 by mananth(16949) You can put this solution on YOUR website! Let the daughter's age be x\r \n" ); document.write( "\n" ); document.write( "mother's age will be 2x\r \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 \n" ); document.write( " |