document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975161>Question 975161</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car traveling with 5/7 of its acual speed covers 42 km in 1 hr 40 min48 sec.what is the actual speed of the car? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596970 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=596970\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "let actual speed be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "if a car traveling with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F7 ALIGN=MIDDLE  ALT=\"5%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > of its actual speed,we have  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2F7%29s ALIGN=MIDDLE  ALT=\"%285%2F7%29s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "if a car covers a distance <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=42km ALIGN=MIDDLE  ALT=\"d=42km\"   DISABLED_style= \"max-width:90%; height:auto;\" > in a time <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1h ALIGN=MIDDLE  ALT=\"t=1h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40min ALIGN=MIDDLE  ALT=\"+40min\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48s ALIGN=MIDDLE  ALT=\"48s\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=s%2At ALIGN=MIDDLE  ALT=\"d=s%2At\"   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=42km=%285%2F7%29s%2At ALIGN=MIDDLE  ALT=\"42km=%285%2F7%29s%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "....convert time to hours: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1h++=+1h ALIGN=MIDDLE  ALT=\"1h++=+1h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40min+=+40%2F60+=+%282%2F3%29h ALIGN=MIDDLE  ALT=\"40min+=+40%2F60+=+%282%2F3%29h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48s+=+48%2F3600+=+%281%2F75%29+h ALIGN=MIDDLE  ALT=\"48s+=+48%2F3600+=+%281%2F75%29+h\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore, 1 hr 40 min 48 sec = 1 + 2/3 + 1/75 hour = 126/75 hour\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1h ALIGN=MIDDLE  ALT=\"t=1h\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40min ALIGN=MIDDLE  ALT=\"+40min\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48s ALIGN=MIDDLE  ALT=\"48s\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281+%2B+2%2F3+%2B+1%2F75+%29h+=+%28126%2F75%29+h=1.68h ALIGN=MIDDLE  ALT=\"%281+%2B+2%2F3+%2B+1%2F75+%29h+=+%28126%2F75%29+h=1.68h\"   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=42km=%285%2F7%29s%2A1.68h ALIGN=MIDDLE  ALT=\"42km=%285%2F7%29s%2A1.68h\"   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=42km%2F1.68h=%285%2F7%29s ALIGN=MIDDLE  ALT=\"42km%2F1.68h=%285%2F7%29s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4200km%2F168h=%285%2F7%29s ALIGN=MIDDLE  ALT=\"4200km%2F168h=%285%2F7%29s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25%28km%2Fh%29=%285%2F7%29s ALIGN=MIDDLE  ALT=\"25%28km%2Fh%29=%285%2F7%29s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287%2A25%2F5%29%28km%2Fh%29=s ALIGN=MIDDLE  ALT=\"%287%2A25%2F5%29%28km%2Fh%29=s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287%2Across%2825%295%2Fcross%285%291%29%28km%2Fh%29=s ALIGN=MIDDLE  ALT=\"%287%2Across%2825%295%2Fcross%285%291%29%28km%2Fh%29=s\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%287%2A5%29%28km%2Fh%29=s ALIGN=MIDDLE  ALT=\"%287%2A5%29%28km%2Fh%29=s\"   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=s=35%28km%2Fh%29 ALIGN=MIDDLE  ALT=\"s=35%28km%2Fh%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );