document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=332783>Question 332783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> college algebra\r<BR>\n" );
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document.write( "use an equality and the five step process to solve the problem<BR>\n" );
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document.write( "dg's plumbing and heating charges $50 plus $65 per hour for emergency service. Bill remembers being billed just over $450 for an emergency call. how long to the nearest hour was the plumber at bill's house? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238439 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=238439\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> dg's plumbing and heating charges $50 plus $65 per hour <BR>\n" );
document.write( "billing  $450 .<BR>\n" );
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document.write( "let the number of hours worked be $x<BR>\n" );
document.write( "50+65x= 450<BR>\n" );
document.write( "add -50 to both sides<BR>\n" );
document.write( "50-50+65x=450-50<BR>\n" );
document.write( "65x=400<BR>\n" );
document.write( "divide by 65<BR>\n" );
document.write( "65x/65 = 400/65<BR>\n" );
document.write( "x= 6.15 hours<BR>\n" );
document.write( "so plumber worked for about 6 hours<BR>\n" );
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document.write( "50+6.15*65 = $449.75 </SPAN>\n" );
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