document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1180452>Question 1180452</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nathan subscribes to an online computer service that charges Php 100 for 25 hours online and Php 6 for each hour<BR>\n" );
document.write( "online in excess of 25 hours. Last month, his bill was Php 622. How many extra hours was he charged for? (using 1 variable) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #810143 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=810143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C = 100+6x\r<BR>\n" );
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document.write( "where c is the total charge for x extra hours\r<BR>\n" );
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document.write( "last month she paid 622Php\r<BR>\n" );
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document.write( "622 = 100 +6x\r<BR>\n" );
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document.write( "522=6x\r<BR>\n" );
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document.write( "x=522/6\r<BR>\n" );
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document.write( "x=87 hours extra\r<BR>\n" );
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