document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121895>Question 121895</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395535921/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Okay...John Dashwood recieved a 75cent/h raise for his part ime job. He can now eard his former weekly salary of $63 working 2 h less. How many hrs.  a week did he work before he recieved his raise?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89580 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=89580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"old hours\" and y=\"old pay rate\" __ xy=63 __ y=63/x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "with raise __ (x-2)(y+.75)=63\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "substituting for y __ (x-2)((63/x)+.75)=63 __ 63+.75x-(126/x)-1.5=63\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "multiplying by x __ 63x+.75x^2-126-1.5x=63x __ .75x^2-1.5x-126=0\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "multiplying by 4/3 __ x^2-2x-168=0\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "factoring __ (x-14)(x+12)=0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );