document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248222>Question 248222</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two plumbers worked a combined 22 hours on a job. One plumber makes $22 per hour, and the other plumber makes $18 per hour. If their combined pay for this job was $448, how many hours did each work? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180912 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=180912\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two plumbers worked a combined 22 hours on a job. One plumber makes $22 per hour, and the other plumber makes $18 per hour. If their combined pay for this job was $448, how many hours did each work?<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "P1 + P2 = 22 hours<BR>\n" );
document.write( "P1*22 + P2*18 = 448<BR>\n" );
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document.write( "P2 = 22 - P1<BR>\n" );
document.write( "Sub for P2 in the 2nd eqn<BR>\n" );
document.write( "P1*22 + 18*(22-P1) = 448<BR>\n" );
document.write( "4P1 = 52<BR>\n" );
document.write( "P1 worked 13 hours<BR>\n" );
document.write( "P2 worked 9 hours<BR>\n" );
document.write( " </SPAN>\n" );
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