document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1027400>Question 1027400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> it costs $900 for the 10,000 mile service on a car. If the parts were $720 and the mechanic charged $90 per hour, how many hours did the service take? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642611 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=642611\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the amount of hours he spent working, h.<BR>\n" );
document.write( "Then we have as our setup<BR>\n" );
document.write( "900 = 720 + 90h<BR>\n" );
document.write( "Now subtract 720 from both sides and get<BR>\n" );
document.write( "180 = 90h<BR>\n" );
document.write( "Now divide by 90 and get<BR>\n" );
document.write( "h = 2 hours </SPAN>\n" );
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