document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=785499>Question 785499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A motorboat can maintain a constant speed of 35 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 48 minutes; the return trip takes 32 minutes. What is the speed of 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 #804617 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=804617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed of current = C\r<BR>\n" );
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document.write( "distance = (rate)(time)\r<BR>\n" );
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document.write( "(35 + C)(32/60) = (35 - C)(48/60)<BR>\n" );
document.write( "8(35 + C)/15 = 4(35 - C)/5<BR>\n" );
document.write( "280 + 8C = 3(140 - 4C)<BR>\n" );
document.write( "280 + 8C = 420 - 12C<BR>\n" );
document.write( "20C = 140<BR>\n" );
document.write( "C = 7\r<BR>\n" );
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document.write( "The current travels at 7 mph. </SPAN>\n" );
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