document.write( "Question 522079: The sum of ages of a woman and her daughter is 46 years in 4 years time, the ratios of their age will be 7:2, find the present age \n" ); document.write( "
Algebra.Com's Answer #346703 by umnikmo(75)\"\" \"About 
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X-present age of the woman
\n" ); document.write( "Y-present age of the daughter\r
\n" ); document.write( "\n" ); document.write( "X+Y=46 => X=46-Y (1)
\n" ); document.write( "(X+4)/(Y+4)=7/2 => 2(X+4)=7(Y+4) => 2X+8=7Y+28 => X=(7Y+20)/2 (2)\r
\n" ); document.write( "\n" ); document.write( "NOW (1)=(2):\r
\n" ); document.write( "\n" ); document.write( "46-Y=(7Y+20)/2
\n" ); document.write( "92-2Y=7Y+20
\n" ); document.write( "72=9Y
\n" ); document.write( "Y=8
\n" ); document.write( "X=46-8=38\r
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