document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=991042>Question 991042</A>: <I><SPAN STYLE=\"word-break: break-all;\"> JOHNS FATHER IS 5 TIMES OLDER THAN JOHN AND JOHN IS TWICE AS OLD AS HER SISTER ALICE. IN TWO YEARS TIME, THE SUM OF THEIR AGES WILL BE 58 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610956 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=610956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If I read this right, when it says:<BR>\n" );
document.write( "\" The sum of THEIR ages will be 58 \", THEIR<BR>\n" );
document.write( "means all 3 of them<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+ ALIGN=MIDDLE  ALT=\"+j+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = John's age now<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f+ ALIGN=MIDDLE  ALT=\"+f+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = His father's age now<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = John's sister's age now<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f+=+5j+ ALIGN=MIDDLE  ALT=\"+f+=+5j+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+=+2s+ ALIGN=MIDDLE  ALT=\"+j+=+2s+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+j+%2B+2+%29+%2B+%28+f+%2B+2+%29+%2B+%28+s+%2B+2+%29+=+58+ ALIGN=MIDDLE  ALT=\"+%28+j+%2B+2+%29+%2B+%28+f+%2B+2+%29+%2B+%28+s+%2B+2+%29+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+%2B+f+%2B+s+%2B+6+=+58+ ALIGN=MIDDLE  ALT=\"+j+%2B+f+%2B+s+%2B+6+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+%2B+f+%2B+s+=+52+ ALIGN=MIDDLE  ALT=\"+j+%2B+f+%2B+s+=+52+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+j%2F2+ ALIGN=MIDDLE  ALT=\"+s+=+j%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute (1) and (2) into (3)<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+%2B+5j+%2B+j%2F2+=+52+ ALIGN=MIDDLE  ALT=\"+j+%2B+5j+%2B+j%2F2+=+52+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2j+%2B+10j+%2B+j+=+104+ ALIGN=MIDDLE  ALT=\"+2j+%2B+10j+%2B+j+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+13j+=+104+ ALIGN=MIDDLE  ALT=\"+13j+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+j+=+8+ ALIGN=MIDDLE  ALT=\"+j+=+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+j%2F2+ ALIGN=MIDDLE  ALT=\"+s+=+j%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+4+ ALIGN=MIDDLE  ALT=\"+s+=+4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f+=+5j+ ALIGN=MIDDLE  ALT=\"+f+=+5j+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f+=+5%2A8+ ALIGN=MIDDLE  ALT=\"+f+=+5%2A8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f+=+40+ ALIGN=MIDDLE  ALT=\"+f+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "John is 8<BR>\n" );
document.write( "John's sister is 4<BR>\n" );
document.write( "John's father is 40<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+j+%2B+2+%29+%2B+%28+f+%2B+2+%29+%2B+%28+s+%2B+2+%29+=+58+ ALIGN=MIDDLE  ALT=\"+%28+j+%2B+2+%29+%2B+%28+f+%2B+2+%29+%2B+%28+s+%2B+2+%29+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+8+%2B+2+%29+%2B+%28+40+%2B+2+%29+%2B+%28+4+%2B+2+%29+=+58+ ALIGN=MIDDLE  ALT=\"+%28+8+%2B+2+%29+%2B+%28+40+%2B+2+%29+%2B+%28+4+%2B+2+%29+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10+%2B+42+%2B+6+=+58+ ALIGN=MIDDLE  ALT=\"+10+%2B+42+%2B+6+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+58+=+58+ ALIGN=MIDDLE  ALT=\"+58+=+58+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );