document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=119291>Question 119291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at the beginning of the Alay Lakad, Rizza and Angel are 30km apart. if they leave at the same time and walk in the same direction, rizza overtakes angel in 60 hours. if they walk towards to each other, they meet in 5 hours. what are their speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87370 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=87370\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> R and A are 30km apart. if they leave at the same time and walk in the same direction, R overtakes A in 60 hours. if they walk towards to each other, they meet in 5 hours. what are their speed?<BR>\n" );
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document.write( "r = R's speed<BR>\n" );
document.write( "and<BR>\n" );
document.write( "a = A's speed<BR>\n" );
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document.write( "Write a distance equation for each trip, Distance = time * speed:<BR>\n" );
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document.write( "Same direction:<BR>\n" );
document.write( "60r - 30 = 60a<BR>\n" );
document.write( "60r - 60a = 30<BR>\n" );
document.write( "r - s = .5; simplified divided equation by 60<BR>\n" );
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document.write( "Toward each other (total both traveled = 30 km)<BR>\n" );
document.write( "5r + 5a = 30<BR>\n" );
document.write( "r + a = 6; simplified, divided equation by 5<BR>\n" );
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document.write( "Use these two equation for elimination of a:<BR>\n" );
document.write( "r + a = 6<BR>\n" );
document.write( "r - a = .5<BR>\n" );
document.write( "--------------add<BR>\n" );
document.write( "2r +0a = 6.5<BR>\n" );
document.write( "r = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6.5%2F2 ALIGN=MIDDLE  ALT=\"6.5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r = 3.25 km/h is R's speed<BR>\n" );
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document.write( "Use r - a = .5 to find a's speed<BR>\n" );
document.write( "3.25 - a = .5<BR>\n" );
document.write( "-a = .5 - 3.25<BR>\n" );
document.write( "-a = -2.75<BR>\n" );
document.write( "a = 2.75 km/h is A's speed<BR>\n" );
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document.write( "Check solutions in original equations<BR>\n" );
document.write( "60r - 60a = 30<BR>\n" );
document.write( "60(3.25) - 60(2.75) =<BR>\n" );
document.write( "195 - 165 = 30<BR>\n" );
document.write( "and<BR>\n" );
document.write( "5r + 5a = 30<BR>\n" );
document.write( "5(3.25) + 5(2.75) =<BR>\n" );
document.write( "16.25 + 13.75 = 30; confirms our solutions<BR>\n" );
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document.write( "Did this make sense to you? Any questions?\r<BR>\n" );
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document.write( " </SPAN>\n" );
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