document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1116666>Question 1116666</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One Friday night, two large groups of people called centerville taxi service. The first group requested 3 sedans and 2 minivans, which can seat a total of 21 people. The second group asked for 3 sedans and 3 minivans, which can seat a total of 27 people. How many passengers can each type of taxi seat? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #731564 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52816)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=731564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "One Friday night, two large groups of people called centerville taxi service. <BR>\n" );
document.write( "The first group requested 3 sedans and 2 minivans, which can seat a total of 21 people. <BR>\n" );
document.write( "The second group asked for 3 sedans and 3 minivans, which can seat a total of 27 people. <BR>\n" );
document.write( "How many passengers can each type of taxi seat?<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "This problem is for MENTAL solution, and the solution is in two lines:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "    1.  The difference of 27-21 = 6 is exactly the number of peoples that can seat in minivan.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    2.  From the part related to the 2-nd group, you see that 1 sedan plus one minivan can carry 9 passengers. \r\n" );
document.write( "\r\n" );
document.write( "        Then from n.1 you get that each sedan carries 9-6 = 3 passengers.\r\n" );
document.write( "</PRE>\r<BR>\n" );
document.write( "\n" );
document.write( "Solved.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "--------------<BR>\n" );
document.write( "To see other similar solved problems, &nbsp;look into the lesson \r<BR>\n" );
document.write( "\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/coordinate/lessons/Solving-mentally-word-problems-on-two-equations-in-two-unknowns-NEW.lesson>Solving mentally word problems on two equations in two unknowns</A> \r<BR>\n" );
document.write( "\n" );
document.write( "in this site.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The problems like this are good at the interview for a Math position, &nbsp;when the interviewer wants to check if the interviewed person <BR>\n" );
document.write( "has a creative mind.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If after reading the condition the interviewed person starts writing systems of equation, &nbsp;the interviewer writes &nbsp;\"-\" &nbsp;in his checklist.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If the interviewed person solves the problem mentally, &nbsp;in a way as I showed it in my solution, &nbsp;the interviewer writes &nbsp;\"+\" &nbsp;in his checklist.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "--------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Ignore writing by @josgarithmetic, &nbsp;because it is nonsense.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );