document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=949070>Question 949070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train traveled 90 miles in 1.5 hours. At the same rate how long will it take the train to travel 330 miles.\r<BR>\n" );
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document.write( "a. Use proportions to solve and show your work with units.\r<BR>\n" );
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document.write( "b. Solve using d=rt.\r<BR>\n" );
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document.write( "c. Did you get the same solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #579344 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=579344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <i>a. Use proportions to solve and show your work with units.</i>\r<BR>\n" );
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document.write( "A proportion is the equality of two or more ratios.\r<BR>\n" );
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document.write( "d, miles known<BR>\n" );
document.write( "t, time known<BR>\n" );
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document.write( "s, miles known<BR>\n" );
document.write( "x, time UNKNOWN<BR>\n" );
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document.write( "If d/t is a constant, and s is based THAT constant, then you have a proportion:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2Ft=s%2Fx ALIGN=MIDDLE  ALT=\"d%2Ft=s%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can solve for x,.....<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2Fd=x%2Fs ALIGN=MIDDLE  ALT=\"t%2Fd=x%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28t%2Fd%29s=x ALIGN=MIDDLE  ALT=\"%28t%2Fd%29s=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Note that YOUR value for r would be  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2890%2F1.5%29%28miles%2Fhour%29=60%28miles%2Fhour%29=r ALIGN=MIDDLE  ALT=\"%2890%2F1.5%29%28miles%2Fhour%29=60%28miles%2Fhour%29=r\"   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=330%2Amiles=60%28miles%2Fhour%29%2Ax ALIGN=MIDDLE  ALT=\"330%2Amiles=60%28miles%2Fhour%29%2Ax\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=330%2F60 ALIGN=MIDDLE  ALT=\"x=330%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=33%2F6 ALIGN=MIDDLE  ALT=\"x=33%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5%261%2F2 ALIGN=MIDDLE  ALT=\"x=5%261%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours.\r<BR>\n" );
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document.write( "You can work with the formula, x=rt this way.<BR>\n" );
document.write( "x, distance<BR>\n" );
document.write( "r, rate of travel<BR>\n" );
document.write( "t, time \r<BR>\n" );
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document.write( "find t.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%281%2Fr%29=rt%281%2Fr%29 ALIGN=MIDDLE  ALT=\"x%281%2Fr%29=rt%281%2Fr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fr=r%281%2Fr%29t ALIGN=MIDDLE  ALT=\"x%2Fr=r%281%2Fr%29t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Fr=t ALIGN=MIDDLE  ALT=\"x%2Fr=t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "I use here x for distance. </SPAN>\n" );
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