document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084608>Question 1084608</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost varied linearly with the number of hours the staff worked. When the staff worked 200 hours the cost was $1725, and when the staff worked 100 hours the cost was $925. What would it cost if the staff worked 150 hours?\r<BR>\n" );
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document.write( "Got stumped on this question, any help in solving it would be appreciated! Thanks.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698690 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</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=698690\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ------------------------------------------------------------------------<BR>\n" );
document.write( "The cost varied linearly with the number of hours the staff worked.<BR>\n" );
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document.write( "x, hours<BR>\n" );
document.write( "y, cost\r<BR>\n" );
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document.write( "Two points from description as  (x,y):<BR>\n" );
document.write( "(200, 1725)  and  (100, 925).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%281725-925%29%2F%28200-100%29 ALIGN=MIDDLE  ALT=\"m=%281725-925%29%2F%28200-100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=925-8%2A100 ALIGN=MIDDLE  ALT=\"b=925-8%2A100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "What would it cost if the staff worked 150 hours?<BR>\n" );
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document.write( "You actually do not need the equation.  Simple linear interpolation should be enough.  150 is exactly in the middle of 100 and 200 hours.  Find therefore the exact middle of   $1725 and $925:<BR>\n" );
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document.write( "$1325 </SPAN>\n" );
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