document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=410551>Question 410551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom is 15 years younger than alice. Ten years ago, Alice was 4 times as old as Tom was then. How old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288668 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=288668\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = tom's age today<BR>\n" );
document.write( "x + 15 = alice's age today.\r<BR>\n" );
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document.write( "ten years ago, alice was 4 times as old as tom was then.\r<BR>\n" );
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document.write( "ten yeara ago, tom was x-10 years old.<BR>\n" );
document.write( "ten years ago, alice was (x+15) - 10 = x+5 years old.\r<BR>\n" );
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document.write( "ten years ago, alice was 4 times as old as tom was then.\r<BR>\n" );
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document.write( "x+5 = 4*(x-10)\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "x+5 = 4x - 40\r<BR>\n" );
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document.write( "subtract x from both sides of the equation to get:\r<BR>\n" );
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document.write( "5 = 3x - 40\r<BR>\n" );
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document.write( "add 40 to both sides of the equation to get:\r<BR>\n" );
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document.write( "45 = 3x\r<BR>\n" );
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document.write( "divide both sides of the equation by 3 to get:\r<BR>\n" );
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document.write( "x = 15\r<BR>\n" );
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document.write( "that's how old tom is today.\r<BR>\n" );
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document.write( "alice is 15 years older than that which makes alice 30 years old today.\r<BR>\n" );
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document.write( "ten years ago, tom was 5.<BR>\n" );
document.write( "ten years ago, alice was 20.\r<BR>\n" );
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document.write( "20 is 4 * 5 which confirms the value of x is good.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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