document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=25847>Question 25847</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi! I was wondering if you could help me with this problem please: A commercial jet can fly from San Francisco to Dallas in 3 hours. A private jet can make the same trip in 3 1/2 hours. If the two planes leave San Francisco at noon, after how many hours is the private jet twice as far from Dallas as the commercial jet?\r<BR>\n" );
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document.write( "Thanks! I appreciate it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13932 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=13932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi! I was wondering if you could help me with this problem please: A commercial jet can fly from San Francisco to Dallas in 3 hours. <BR>\n" );
document.write( "LET THE SPEED OF COMMERCIAL JET (CJ)=S<BR>\n" );
document.write( "IN 3 HRS IT CAN FLY =3S MILES = DISTANCE FROM SFC TO DALLAS<BR>\n" );
document.write( "A private jet(PJ) can make the same trip in 3 1/2 hours. <BR>\n" );
document.write( "SO SPEED OF PRIVATE JET =3S/3.5<BR>\n" );
document.write( "If the two planes leave San Francisco at noon, after how many hours is the private jet twice as far from Dallas as the commercial jet? <BR>\n" );
document.write( "LET US ASSUME THAT AFTER T HOURS the private jet WILL BE twice as far from Dallas as the commercial jet<BR>\n" );
document.write( "DISTANCE TRAVELLED BY CJ IN T HRS = ST MILES..ITS DISTANCE FROM DALLAS <BR>\n" );
document.write( "=3S-ST<BR>\n" );
document.write( "DISTANCE TRAVELLED BY PJ IN T HRS =3ST/3.5 MILES...ITS DISTANCE FROM DALLAS <BR>\n" );
document.write( "=3S-3ST/3.5 <BR>\n" );
document.write( "WE ARE GIVEN THAT <BR>\n" );
document.write( " 2(3S-ST)=3S-3ST/3.5<BR>\n" );
document.write( "2(3-T)=3-3T/3.5<BR>\n" );
document.write( "21-7T=10.5-3T<BR>\n" );
document.write( "21-10.5=7T-3T=4T<BR>\n" );
document.write( "10.5=4T<BR>\n" );
document.write( "T=10.5/4=2.625 HRS.\r<BR>\n" );
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