document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=266551>Question 266551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Zack is 4 times the age as Salman. Zack is also 3 years old than Salaman. How old is Zack? \r<BR>\n" );
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document.write( "I saw someone solve this equation using divison. However, I am not used to that method. Could you show me how to solve it using exactly what's there, multiplication? Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195840 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=195840\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let z = Zack and s = Salman<BR>\n" );
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document.write( "Zack is 4 times the age as Salman <BR>\n" );
document.write( "translates as<BR>\n" );
document.write( "(i) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+4s ALIGN=MIDDLE  ALT=\"z+=+4s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Zack is also 3 years older than Salaman<BR>\n" );
document.write( "translates as<BR>\n" );
document.write( "(ii) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+s+%2B+3 ALIGN=MIDDLE  ALT=\"z+=+s+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "actually substitution is better here.<BR>\n" );
document.write( "put (i) into (ii) to get<BR>\n" );
document.write( "(iii) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4s+=+s+%2B+3 ALIGN=MIDDLE  ALT=\"4s+=+s+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "subtract s to get<BR>\n" );
document.write( "(iv) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3s+=+3 ALIGN=MIDDLE  ALT=\"3s+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and now divide to get<BR>\n" );
document.write( "(v) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+1 ALIGN=MIDDLE  ALT=\"s+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This means that salman = 1 and zack = 4 </SPAN>\n" );
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