document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=416352>Question 416352</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels 300 km at a certain speed.  If the speed had been increased by 10 km/h, the trip could have been made in 1 hour or less time. Find the actual speed.\r<BR>\n" );
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document.write( "s = d/t\r<BR>\n" );
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document.write( "s = 300/60 = 50   what about the 10 increase </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #291704 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=291704\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" > = speed without the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10 ALIGN=MIDDLE  ALT=\"10\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr increase<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+300+=+s%2At+ ALIGN=MIDDLE  ALT=\"+300+=+s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And with the increase in speed:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300+=+%28s+%2B+10%29%2A1 ALIGN=MIDDLE  ALT=\"300+=+%28s+%2B+10%29%2A1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "This is 2 equations and 2 unknowns, so it's solvable<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+300+=+s+%2B+10+ ALIGN=MIDDLE  ALT=\"+300+=+s+%2B+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+290+ ALIGN=MIDDLE  ALT=\"+s+=+290+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The actual speed is 290 km/hr\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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