document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176639>Question 1176639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jérémy passes a backpack, but he wants to buy a bigger one, with a capacity of 45 to 55 L. he hesitates between two models.  The capacity of the model A is 2 times greater than that of the backpack it already has. As for the model B, it can hold 15 L more than its walking backpack. If we added 18L to the capacity of the  model A and 28 L to the capacity of model B, both models would have exactly the same capacity, which of the two models should jérémy choose? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #803828 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=803828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A=2x<BR>\n" );
document.write( "B=x+15<BR>\n" );
document.write( "so 2x+18=x+43<BR>\n" );
document.write( "x=25 liters<BR>\n" );
document.write( "so model A would be 50 liters and in his range, whereas model B would be 40 liters and not within his range. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );