document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=274474>Question 274474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> James walked 4 mph for a certain amount of time and 3 mph for a certain amount of time.  He went 27 miles. <BR>\n" );
document.write( "Had he walked 3 mph faster throughout, he would have walked 51 miles.  How long did he walk for 4 mph?\r<BR>\n" );
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document.write( "I feel like there is a variable missing, but my instructor says that there is not.  I have tried this question 47 times.  I don't have the answer to check if what I have is correct, but none of my work checks out.  \r<BR>\n" );
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document.write( "I use <BR>\n" );
document.write( "4(x) + 3(y) = 27<BR>\n" );
document.write( "3(x-y)=51\r<BR>\n" );
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document.write( "My answer is 9 hours at 3 mph, and 6.75 at 4mph.  If this is true, then why did they bother to give me the second part of the question.  It wasn't even used.\r<BR>\n" );
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document.write( "Any help that can be offered is appreciated.<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 #200298 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=200298\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"4 mph time\" and y=\"3 mph time\"\r<BR>\n" );
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document.write( "4x + 3y = 27 ___ 8x + 6y = 54\r<BR>\n" );
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document.write( "(4 + 3)x + (3 + 3)y = 51 ___ 7x + 6y = 51\r<BR>\n" );
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document.write( "subtracting equations ___ x = 3\r<BR>\n" );
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document.write( "substituting ___ 4(3) + 3y = 27 ___ y = 5 </SPAN>\n" );
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