document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082959>Question 1082959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Scott is 4 times older than Bethany. In six years from now Scott will only be 3 times older than Bethany. solve equations to find out how old each of them is\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696947 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52799)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=696947\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Scott is 4 times older than Bethany. In six years from now Scott will only be 3 times older than Bethany. <BR>\n" );
document.write( "solve equations to find out how old each of them is<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Let S be the Scott's present age and B be the Bethany's present age.\r\n" );
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document.write( "Then you have this system of two equations\r\n" );
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document.write( "S = 4B              (1)\r\n" );
document.write( "S + 6 = 3*(B+6)     (2)\r\n" );
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document.write( "From (1), substitute the expression S = 4B into equation (2). You will get\r\n" );
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document.write( "4B + 6 = 3*(B+6),\r\n" );
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document.write( "4B + 6 = 3B + 18  ---->  B = 12.\r\n" );
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document.write( "Thus Bethany is 12 years old now.\r\n" );
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document.write( "Then Scott is 12*4 = 48 years old now.\r\n" );
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document.write( "You can easily check that this solution satisfies the condition.\r\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "The solution by \"josgarithmetic\" is WRONG.\r<BR>\n" );
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document.write( "There is a bunch of lessons on age word problems \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Age-problems-and-their-solutions.lesson>Age problems and their solutions</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Fresh-formulation-of-a-traditional-age-problem.lesson>A fresh formulation of a traditional age problem</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/age/Really-intricate-age-word-problem.lesson>Really intricate age word problem</A>\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/word/age/Selected-age-word-problems-from-the-archive.lesson>Selected age word problems from the archive</A>\r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "Read them and become an expert in solving age problems.\r<BR>\n" );
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document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.\r<BR>\n" );
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document.write( "The referred lessons are the part of this online textbook under the topic \"<U>Age word problems</U>\".\r<BR>\n" );
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