document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=872376>Question 872376</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Amother is three times as old as her child seven years ago the products of their ages was 104 find the present age of the child? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #526123 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=526123\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+ ALIGN=MIDDLE  ALT=\"+m+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the mother's age now<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+ ALIGN=MIDDLE  ALT=\"+p+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the child's age now<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+3p+ ALIGN=MIDDLE  ALT=\"+m+=+3p+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+m+-+7+%29%2A%28+p+-+7+%29+=+104+ ALIGN=MIDDLE  ALT=\"+%28+m+-+7+%29%2A%28+p+-+7+%29+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m%2Ap+-+7p+-+7m+%2B+49+=+104+ ALIGN=MIDDLE  ALT=\"+m%2Ap+-+7p+-+7m+%2B+49+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m%2Ap+-+7%2A%28+p+%2B+m+%29+=+104+-+49+ ALIGN=MIDDLE  ALT=\"+m%2Ap+-+7%2A%28+p+%2B+m+%29+=+104+-+49+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m%2Ap+-+7%2A%28+p+%2B+m+%29+=+55+ ALIGN=MIDDLE  ALT=\"+m%2Ap+-+7%2A%28+p+%2B+m+%29+=+55+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute (1) into (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3p%2Ap+-+7%2A%28+p+%2B+3p+%29+=+55+ ALIGN=MIDDLE  ALT=\"+3p%2Ap+-+7%2A%28+p+%2B+3p+%29+=+55+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3p%5E2+-+28p+-+55+=+0+ ALIGN=MIDDLE  ALT=\"+3p%5E2+-+28p+-+55+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Solve using the quadratic formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+3+ ALIGN=MIDDLE  ALT=\"+a+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+-28+ ALIGN=MIDDLE  ALT=\"+b+=+-28+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+-55+ ALIGN=MIDDLE  ALT=\"+c+=+-55+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28-%28-28%29+%2B-+sqrt%28+%28-28%29%5E2-4%2A3%2A%28-55%29+%29%29%2F%282%2A3%29+ ALIGN=MIDDLE  ALT=\"+p+=+%28-%28-28%29+%2B-+sqrt%28+%28-28%29%5E2-4%2A3%2A%28-55%29+%29%29%2F%282%2A3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28+28+%2B-+sqrt%28+784+%2B+660+%29%29%2F6+ ALIGN=MIDDLE  ALT=\"+p+=+%28+28+%2B-+sqrt%28+784+%2B+660+%29%29%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28+28+%2B-+sqrt%28+1444+%29%29%2F6+ ALIGN=MIDDLE  ALT=\"+p+=+%28+28+%2B-+sqrt%28+1444+%29%29%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+%28+28+%2B+38%29%2F6+ ALIGN=MIDDLE  ALT=\"+p+=+%28+28+%2B+38%29%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ( can't use the negative square root )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=++66%2F6+ ALIGN=MIDDLE  ALT=\"+p+=++66%2F6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+p+=+11+ ALIGN=MIDDLE  ALT=\"+p+=+11+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+3p+ ALIGN=MIDDLE  ALT=\"+m+=+3p+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+3%2A11+ ALIGN=MIDDLE  ALT=\"+m+=+3%2A11+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+33+ ALIGN=MIDDLE  ALT=\"+m+=+33+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The mother is 33 and the child is 11<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+m+-+7+%29%2A%28+p+-+7+%29+=+104+ ALIGN=MIDDLE  ALT=\"+%28+m+-+7+%29%2A%28+p+-+7+%29+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+33+-+7+%29%2A%28+11+-+7+%29+=+104+ ALIGN=MIDDLE  ALT=\"+%28+33+-+7+%29%2A%28+11+-+7+%29+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+26%2A4+=+104+ ALIGN=MIDDLE  ALT=\"+26%2A4+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+104+=+104+ ALIGN=MIDDLE  ALT=\"+104+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );