document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1113892>Question 1113892</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plumber charges $80 for a service call plus $30 per hour. <BR>\n" );
document.write( "a. Find a linear function that represents the total daily charges C, in dollars, as a function of the time t, in hours, spent at a given location. <BR>\n" );
document.write( "b. If the total charge was $140, how many hours did he work?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728948 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (duplicate or almost same exact problem done a few hours ago)<BR>\n" );
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document.write( "The description itself fits an application of a linear equation.  There is no \"work\" or steps needed to form the equation.<BR>\n" );
document.write( "Slope:   30, for 30 dollars per hour<BR>\n" );
document.write( "Vertical Axis Intercept:  80, the number dollars minimum base price, Service Call<BR>\n" );
document.write( "C:  the cost which the plumber will charge<BR>\n" );
document.write( "t:  the time that the plumber works\r<BR>\n" );
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document.write( "(a),    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28C=30t%2B80%29 ALIGN=MIDDLE  ALT=\"highlight%28C=30t%2B80%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(b), How much time if C=140?<BR>\n" );
document.write( "Just Let C=140 and solve for t.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30t%2B80=140 ALIGN=MIDDLE  ALT=\"30t%2B80=140\"   DISABLED_style= \"max-width:90%; height:auto;\" >------YOU solve this! </SPAN>\n" );
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