document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205921>Question 1205921</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plumber earns $15 per hour more than her apprentice. In each 40-hour week, their combined earnings are $2200. What is the hourly rate for each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #843019 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=843019\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plumber earns $15 per hour more than her apprentice. In each 40-hour week, their combined earnings are $2200. What is the hourly rate for each?\r<BR>\n" );
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document.write( "Let hourly rate of plumber be $ x<BR>\n" );
document.write( "and that of apprentice be $y\r<BR>\n" );
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document.write( "A plumber earns $15 per hour more than her apprentice.\r<BR>\n" );
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document.write( "x=y+15...............1\r<BR>\n" );
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document.write( "40x +40y=2200...................2\r<BR>\n" );
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document.write( "substitute x in eqn 2\r<BR>\n" );
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document.write( "40(y+15) +40 y = 2200\r<BR>\n" );
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document.write( "80y+600=2200\r<BR>\n" );
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document.write( "80y = 2200-600\r<BR>\n" );
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document.write( "80y = 1600\r<BR>\n" );
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document.write( "y= 20\r<BR>\n" );
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document.write( "x=y+15\r<BR>\n" );
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document.write( "x = 20+15=35\r<BR>\n" );
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document.write( " </SPAN>\n" );
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