document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=950655>Question 950655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sir please help me solve my question             john is 10 years older than marcus,3times johns  age 5years from now will be the same as 5times marcus age 5years ago.how old is john now.                                        Thank u </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #580507 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=580507\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let m = marcus age today.<BR>\n" );
document.write( "let j = john age today.\r<BR>\n" );
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document.write( "john is 10 years older than marcus.\r<BR>\n" );
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document.write( "equation for this is j = m + 10\r<BR>\n" );
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document.write( "3 times johns age 5 years from now will be the same as 5 times marcus' age 5 years ago.\r<BR>\n" );
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document.write( "equation for this is 3 * (j + 5) = 5 * (m + 5)\r<BR>\n" );
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document.write( "you  have 2 equations that need to be solved simultaneously.\r<BR>\n" );
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document.write( "they are:\r<BR>\n" );
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document.write( "j = m + 10<BR>\n" );
document.write( "3 * (j + 5) = 5 * (m + 5)\r<BR>\n" );
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document.write( "replace j in the second equation with (m + 10) that it is equal to from the first equation.\r<BR>\n" );
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document.write( "you get:\r<BR>\n" );
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document.write( "3 * ((m + 10) + 5) = 5 * (m + 5)\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "3 * (m + 15) = 5 * (m + 5)\r<BR>\n" );
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document.write( "simplify further by performing the multiplication to get:\r<BR>\n" );
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document.write( "3 * m + 45 = 5 * m + 25\r<BR>\n" );
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document.write( "subtract 25 from both sides of the equation and subtract 3 * m from both sides of the equation to get:\r<BR>\n" );
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document.write( "45 - 25 = (5 * m) - (3 * m)\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "20 = 2 * m\r<BR>\n" );
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document.write( "solve for m to get:\r<BR>\n" );
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document.write( "m = 10\r<BR>\n" );
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document.write( "if m = 10, then j = m + 10 becomes j = 20\r<BR>\n" );
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document.write( "you have:\r<BR>\n" );
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document.write( "m = 10<BR>\n" );
document.write( "j = 20\r<BR>\n" );
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document.write( "how old is john now?\r<BR>\n" );
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document.write( "john is 20 years old today.<BR>\n" );
document.write( "he is 10 years older than marcus who is 10 years old today.\r<BR>\n" );
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document.write( "5 years from  now john will be 25 and marcus will be 15.\r<BR>\n" );
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document.write( "3 times john's age 5 years from now is equal to 3 * 25 which is equal to 75.\r<BR>\n" );
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document.write( "5 time marcus' age 5 years from now is equal to 5 * 15 which is equal to 75.\r<BR>\n" );
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document.write( "original problems statements are true, so the solution must be good.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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