document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38561>Question 38561</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.  Bob left Boston at 9:00am and drove to New Hampshire at 60 km/h.  Mike left Boston at 11:00am and traveled the same route to New Hampshire.  If both men arrived in New hampshire at 4:00pm, at what rate did Mike travel?<BR>\n" );
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document.write( "2.  Two jets are traveling toward each other and are 4000 km apart.  The rate of one jet is 100 km/h faster than the rate of the other.  If the jets pass each other after 2.5 hours, what is the rate of the faster jet?<BR>\n" );
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document.write( "3.  Mary drove from her home to a service station at 48 km/h.  She returned home by bycycle at 16 km/h.  The entire trip took 4 hours.  How far was the service station from Mary's home? <BR>\n" );
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document.write( "4.  A plane on a search mission flew east from an airport, turned, and flew west back to the airport.  The plane cruised at 300 km/h when flying east, and 400 km/h when flying west.  The plane was in the air for 7 hours.  How far from the airport did the plane travel?<BR>\n" );
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document.write( "5.  A motorboat can travel upstream on a river at 18 km/h and downstream at 30 km/h.  How far upsteam can the boat travel if it leaves at 8:00am and must return by noon?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24087 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24087\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. Let x be his speed:<BR>\n" );
document.write( "BOb's total time = 7 hours<BR>\n" );
document.write( "Mike's total time  = 5 hours<BR>\n" );
document.write( "7(60)=5(x)<BR>\n" );
document.write( "x=84<BR>\n" );
document.write( "Hence, he travelled at 84mph.\r<BR>\n" );
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document.write( "2.One jet = x+100<BR>\n" );
document.write( "Other jet = x<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( " 2.5(x+x+100)=4000<BR>\n" );
document.write( "5x=3750<BR>\n" );
document.write( "x=<BR>\n" );
document.write( "750<BR>\n" );
document.write( "750+100=850<BR>\n" );
document.write( "Hence, one jet is travelling at 850mph and another one is traveling at 750mph.\r<BR>\n" );
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document.write( "3.Letting x be the distance:<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F48%2Bx%2F16=4 ALIGN=MIDDLE  ALT=\"x%2F48%2Bx%2F16=4\"   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=48%28x%2F48%29%2B48%28x%2F16%29=48%284%29 ALIGN=MIDDLE  ALT=\"48%28x%2F48%29%2B48%28x%2F16%29=48%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x+3x=192<BR>\n" );
document.write( "4x=192<BR>\n" );
document.write( "x=48<BR>\n" );
document.write( "Hence, the distance is 48miles.\r<BR>\n" );
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document.write( "4.Letting x be the distance:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F300%2Bx%2F400=7 ALIGN=MIDDLE  ALT=\"x%2F300%2Bx%2F400=7\"   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=120000%28x%2F300%29%2B120000%28x%2F400%29=120000%287%29 ALIGN=MIDDLE  ALT=\"120000%28x%2F300%29%2B120000%28x%2F400%29=120000%287%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "400x+300x=840000<BR>\n" );
document.write( "x=1200<BR>\n" );
document.write( "Hence, the distance is 1200\r<BR>\n" );
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document.write( "5.Total time of travel:<BR>\n" );
document.write( "4 hours:<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F18%2Bx%2F30=4 ALIGN=MIDDLE  ALT=\"x%2F18%2Bx%2F30=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=540%28x%2F18%29%2B540%28x%2F30%29=540%284%2F1%29 ALIGN=MIDDLE  ALT=\"540%28x%2F18%29%2B540%28x%2F30%29=540%284%2F1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "30x+18x=2160\r<BR>\n" );
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document.write( "x=45<BR>\n" );
document.write( "Hence, it can travel 45 miles.<BR>\n" );
document.write( "Paul.<BR>\n" );
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