document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=761851>Question 761851</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tony'a outboard can drive her boat at 7mph in still water.  It takes her 10 minutes more to reach her friends camp 4 miles up the river than to return to her camp down river.  What is the speed of the current?\r<BR>\n" );
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document.write( "I have already asked this question on here before but got an incorrect answer. Be aware that it takes Tonya 10 minutes MORE not just 10 minutes. Here is my attempt<BR>\n" );
document.write( "going: 4=(7-c)*(t+10)          returning: 4=(7+c)*t<BR>\n" );
document.write( "$=(7-c)*((4/7+c)+10)<BR>\n" );
document.write( "Where do I go from here? You are so wonderful thank you so much!<BR>\n" );
document.write( "Forever in debt to strangers, Abby </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463561 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10810)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=463561\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tony'a outboard can drive her boat at 7mph in still water.  It takes her 10 minutes more to reach her friends camp 4 miles up the river than to return to her camp down river.  What is the speed of the current?\r<BR>\n" );
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document.write( "I have already asked this question on here before but got an incorrect answer. Be aware that it takes Tonya 10 minutes MORE not just 10 minutes. Here is my attempt<BR>\n" );
document.write( "going: 4=(7-c)*(t+10)          returning: 4=(7+c)*t<BR>\n" );
document.write( "$=(7-c)*((4/7+c)+10)<BR>\n" );
document.write( "Where do I go from here? You are so wonderful thank you so much!<BR>\n" );
document.write( "Forever in debt to strangers, Abby\r<BR>\n" );
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document.write( "Tony'a outboard can drive her boat at 7mph in still water.  It takes her 10 minutes more to reach her friends camp 4 miles up the river than to return to her camp down river.  What is the speed of the current?\r<BR>\n" );
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document.write( "Distance each way: 4 miles\r<BR>\n" );
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document.write( "Let speed of current = C\r<BR>\n" );
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document.write( "Speed up-river = 7 - C\r<BR>\n" );
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document.write( "Speed down-river = 7 + C\r<BR>\n" );
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document.write( "Time it takes to travel up-river: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F%287+-+C%29 ALIGN=MIDDLE  ALT=\"4%2F%287+-+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Time it takes to travel down-river: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F%287+%2B+C%29 ALIGN=MIDDLE  ALT=\"4%2F%287+%2B+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Since it takes 10 minutes, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F60 ALIGN=MIDDLE  ALT=\"10%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F6 ALIGN=MIDDLE  ALT=\"1%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr more to go up-river, then we can say that: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F%287+-+C%29+-+1%2F6+=+4%2F%287+%2B+C%29 ALIGN=MIDDLE  ALT=\"4%2F%287+-+C%29+-+1%2F6+=+4%2F%287+%2B+C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve this equation and you should get C, or speed of current to be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%281%29 ALIGN=MIDDLE  ALT=\"highlight_green%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph\r<BR>\n" );
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document.write( "You can do the check!! \r<BR>\n" );
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document.write( "Further help is available, online or in-person, for a fee, obviously. Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com </SPAN>\n" );
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