document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256371>Question 256371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Paul’s Plumbing charges $55 to visit a job site plus $35 per hour for labor. Reliable Plumbing charges $75 to visit a job site plus $30 per hour for labor. For how many hours of labor would the total charge be the same for the two companies? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188491 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=188491\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x = number of hours.\r<BR>\n" );
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document.write( "55 + 35*x = 75 + 30*x\r<BR>\n" );
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document.write( "subtract 30*x from both sides of the equation and subtract 55 from both sides of the equation to get:\r<BR>\n" );
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document.write( "5*x = 20\r<BR>\n" );
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document.write( "divide both sides of the equation by 5 to get:\r<BR>\n" );
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document.write( "x = 4\r<BR>\n" );
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document.write( "the total charge should be the same in 4 hours.\r<BR>\n" );
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document.write( "55 + 35*4 = 55 + 140 = 195\r<BR>\n" );
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document.write( "75 + 30*4 = 75 + 120 = 195\r<BR>\n" );
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document.write( "4 hours is confirmed.\r<BR>\n" );
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document.write( "that's your answer.\r<BR>\n" );
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document.write( "total charge will be the same for both companies when the number of hours for the job is equal to 4.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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