document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1150830>Question 1150830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike age is two third of jake’s age. If the sum of their age is thirty years, how old is jake? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #772333 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=772333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "One clear way to set up the problem directly from the given information, as the other tutor did, is to let j be Jake's age, and so Mike's age is 2/3 of j.  Then form an equation that says the sum of their ages is 30 and solve the equation to find Jake's age.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j+%2B+%282%2F3%29j+=+30 ALIGN=MIDDLE  ALT=\"j+%2B+%282%2F3%29j+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<br><BR>\n" );
document.write( "Since many people (and not just beginning students) prefer to use a setup that avoids using fractions, here is an alternative method for solving the problem.<br><BR>\n" );
document.write( "\"Mike is 2/3 of Jake's age\"<BR>\n" );
document.write( "-->  the ratio of their ages is 2:3<BR>\n" );
document.write( "-->  let 2x be Mike's age and let 3x be Jake's age<br><BR>\n" );
document.write( "Now write and solve an equation that says the sum of their ages is 30:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B3x+=+30 ALIGN=MIDDLE  ALT=\"2x%2B3x+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x+=+30 ALIGN=MIDDLE  ALT=\"5x+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+6 ALIGN=MIDDLE  ALT=\"x+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The disadvantage to this method is that solving the equation doesn't directly give you the answer to the question.  The answer to the question is Jake's age, which is 3x = 18.<br><BR>\n" );
document.write( " </SPAN>\n" );
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