document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106819>Question 1106819</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ishaan is 72 years old and William is 4 years old.<BR>\n" );
document.write( "How many years will it take until Ishaan is only 5555 times as old as William? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #721797 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=721797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "1) by logical reasoning....<br><BR>\n" );
document.write( "The difference in their ages is 68 years.<BR>\n" );
document.write( "When Ishaan is 5 times as old as William, their ages can be represented by x and 5x; the difference of those is 4x.<BR>\n" );
document.write( "So we want to know when 4x is equal to 68.<BR>\n" );
document.write( "4x = 68  -->  x = 17.<BR>\n" );
document.write( "Ishaan will be 5 times as old as William when William is 17.<BR>\n" );
document.write( "William is 4 now; he will be 17 in 13 years.<br><BR>\n" );
document.write( "Answer: Ishaan will be 5 times as old as William 13 years from now.<br><BR>\n" );
document.write( "2) by algebra...<br><BR>\n" );
document.write( "Let x be the number of years it will be until Ishaan is 5 times as old as William.<BR>\n" );
document.write( "Their ages x years from now will be 72+x and 4+x; we want 72+x to be 5 times as much as 4+x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2Bx+=+5%284%2Bx%29 ALIGN=MIDDLE  ALT=\"72%2Bx+=+5%284%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2Bx+=+20%2B5x ALIGN=MIDDLE  ALT=\"72%2Bx+=+20%2B5x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=52+=+4x ALIGN=MIDDLE  ALT=\"52+=+4x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13+=+x ALIGN=MIDDLE  ALT=\"13+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );