document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213801>Question 213801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat can go 33 mph in still water.It take as long to go 300 milles uptream as it does to go downsteam  360 milles . How fast is the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161711 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boat can go 33 mph in still water.  It take as long to go 300 miles upstream as it does to go downstream  360 miles . How fast is the current?\r<BR>\n" );
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document.write( "Step 1.  Let v be the velocity of the current.\r<BR>\n" );
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document.write( "Step 2.  Speed of boat in still water is 33 mph.  Velocity going upstream is 33-v and velocity going downsteam is 33+v\r<BR>\n" );
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document.write( "Step 3.  Distance=Time*Velocity and Upstream time = Downstream time\r<BR>\n" );
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document.write( "Step 4.  Upstream time = Distance/Velocity=300/(33-v)\r<BR>\n" );
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document.write( "Step 5.  Downstream time = 360/(33+v)\r<BR>\n" );
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document.write( "Step 6.  Set expressions in Step 4 and 5 to be equal since time traveled upstream equals to time traveled downstream.  Then\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300%2F%2833-v%29=360%2F%2833%2Bv%29 ALIGN=MIDDLE  ALT=\"300%2F%2833-v%29=360%2F%2833%2Bv%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply by (33-v)(33+v) to both sides of equation to get rid of denominators.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300%2833%2Bv%29=360%2833-v%29 ALIGN=MIDDLE  ALT=\"300%2833%2Bv%29=360%2833-v%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide by 60 to both sides of equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2833%2Bv%29=6%2833-v%29 ALIGN=MIDDLE  ALT=\"5%2833%2Bv%29=6%2833-v%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=165%2B5v=198-6v ALIGN=MIDDLE  ALT=\"165%2B5v=198-6v\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 6v-165 to both sides of equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11v=33 ALIGN=MIDDLE  ALT=\"11v=33\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide by 33 to both sides of equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=3 ALIGN=MIDDLE  ALT=\"v=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 5.  So velocity of current is 3 mph.\r<BR>\n" );
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document.write( "I hope the above steps were helpful. \r<BR>\n" );
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document.write( "For free Step-By-Step Videos on Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra or for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "And good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J\r<BR>\n" );
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