document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=10788>Question 10788</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of Mrs.Black's age and her daughter's age is 56 years. In 8 years, Mrs. Black will be twice as old as her daughter. How old is her daughter now?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #5666 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=5666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = age of the daughter now.<BR>\n" );
document.write( "y = age of Mrs. Black now.\r<BR>\n" );
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document.write( "x+8 = daughter's age in 8 years<BR>\n" );
document.write( "y+8 = Mrs. Black's age in 8 years\r<BR>\n" );
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document.write( "Two equations are needed, since there are two unknowns:\r<BR>\n" );
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document.write( "Sum of the ages now is 56.<BR>\n" );
document.write( "x+ y = 56\r<BR>\n" );
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document.write( "Mrs. Black will be twice as old as her daughter.<BR>\n" );
document.write( "y+8 = 2(x+8)  Solve for y:<BR>\n" );
document.write( "y +8 = 2x + 16<BR>\n" );
document.write( "y+8-8 = 2x + 16-8<BR>\n" );
document.write( "y = 2x + 8\r<BR>\n" );
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document.write( "Substitute into <BR>\n" );
document.write( "x+y = 56<BR>\n" );
document.write( "x+(_____) = 56<BR>\n" );
document.write( "x+ (2x +8)= 56<BR>\n" );
document.write( "3x + 8=56<BR>\n" );
document.write( "2x = 48<BR>\n" );
document.write( "x= 16  Daughter's age now\r<BR>\n" );
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document.write( "x + y = 56<BR>\n" );
document.write( "16 + y = 56<BR>\n" );
document.write( "y = 40 =  Mother's age now\r<BR>\n" );
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document.write( "In 8 years, daughter will be 24.<BR>\n" );
document.write( "In 8 years, Mother will be 48.  \r<BR>\n" );
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document.write( "Check is that in 8 years, mother will be twice as old as daughter.\r<BR>\n" );
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document.write( "R^2 at SCC<BR>\n" );
document.write( " </SPAN>\n" );
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