document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=947868>Question 947868</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i solve a problem with time, where a person drives 100miles in rain but when the rain stopped they drove 15miles faster for another 250 miles. If his total drive time was 10 hours how fast did he drive while it was raining? If i can get the equation then I can solve it but i have nothing like this on my notes and nothing like this in my book  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578465 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=578465\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do i solve a problem with time, where a person drives 100miles in rain but when the rain stopped they drove 15miles faster for another 250 miles. If his total drive time was 10 hours how fast did he drive while it was raining? <BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=speed while driving 100 miles in the rain<BR>\n" );
document.write( "x+15=speed while driving 250 miles after rain stopped<BR>\n" );
document.write( "travel time=distance/speed<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2Fx%2B250%2F%28x%2B15%29=10 ALIGN=MIDDLE  ALT=\"100%2Fx%2B250%2F%28x%2B15%29=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "lcd:x(x+15)<BR>\n" );
document.write( "250x+100x+1500=10x(x+15)<BR>\n" );
document.write( "10x^2+150x=350x+1500<BR>\n" );
document.write( "10x^2-200x-1500=0<BR>\n" );
document.write( "x^2-20x-150=0<BR>\n" );
document.write( "solve for x by quadratic formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a=1, b=-20, c=-150<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "x&#8776;25.8<BR>\n" );
document.write( "how fast did he drive while it was raining? 25.8 mph </SPAN>\n" );
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