document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154861>Question 1154861</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dr. Don offers tutoring service for college students. He charges $40 as a fixed rate for the first hour plus $20 for each additional hour. What is the minimum and maximum number of hours of tutoring a student can get if he or she can afford to spend between $140 and $200? ( express answer as an inequality) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #853797 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(53618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=853797\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Dr. Don offers tutoring service for college students. He charges $40 as a fixed rate for the first hour plus $20 <BR>\n" );
document.write( "for each additional hour. What is the minimum and maximum number of hours of tutoring a student can get if he or she <BR>\n" );
document.write( "can afford to spend between $140 and $200? ( express answer as an inequality)<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The final answer in the post by @mananth is given in incorrect form.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I came to fix it.\r<BR>\n" );
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document.write( "f(h) = 40 + 20(h-1)   <<<---===  first hour is presented by the addend '40'\r<BR>\n" );
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document.write( "140 <= 40 + 20(h-1) <= 200\r<BR>\n" );
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document.write( "Subtract 40 from all the terms\r<BR>\n" );
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document.write( "100 <= 20(h-1) <= 160\r<BR>\n" );
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document.write( "Divide by 20 all the terms\r<BR>\n" );
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document.write( "5 <= h-1 <= 8    \r<BR>\n" );
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document.write( "Hence,  6 <= h <= 9. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<<<---===  &nbsp;&nbsp;&nbsp;&nbsp;<U>ANSWER</U>\r<BR>\n" );
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document.write( "As the problem is worded, it admits different interpretations,<BR>\n" );
document.write( "which is a bad style writing Math.\r<BR>\n" );
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document.write( "I solved here for one possible interpretation.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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