document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=518938>Question 518938</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Rick’s Automotive charges $50 plus $15 for each (15-min) unit of time when making a road call. Twin City Repair charges $70 plus $10 for each unit of time. Under what circumstances would it be more economical for a motorist to call Rick’s? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345302 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345302\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 50+15x=70+10x<BR>\n" );
document.write( "5x=20<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "4 units is one hour. They are equal for an hour.<BR>\n" );
document.write( "For less than an hour, Rick's is less cost than Twin city.<BR>\n" );
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