document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=802970>Question 802970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A school tuck shop made 2 orders for large and small pies pies. The first order of 40 small and40 large pies came to $154 and the second order of 50 small and 30 large pies was $144.50. <BR>\n" );
document.write( "A define the variables you will use to solve this question<BR>\n" );
document.write( "B form two equations that can be solved simultaneously<BR>\n" );
document.write( "C prove the equations <BR>\n" );
document.write( "Can you please show me all the workings, I just can't get it.. <BR>\n" );
document.write( "Thanks <BR>\n" );
document.write( "Deanna<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #484081 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=484081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Large pies = x<BR>\n" );
document.write( "Small pies = y<BR>\n" );
document.write( "40x + 40y = 154........1<BR>\n" );
document.write( "30x + 50y = 144.5.......2<BR>\n" );
document.write( "Multiply Eq(1) by 3<BR>\n" );
document.write( "Multiply Eq(2) by 4<BR>\n" );
document.write( "120x + 120y = 462.......3<BR>\n" );
document.write( "120x + 200y = 578.......4<BR>\n" );
document.write( "Subtract Eq(3) from Eq(4)<BR>\n" );
document.write( "        80y = 116<BR>\n" );
document.write( "          y = 116/80<BR>\n" );
document.write( "          y = 1.45<BR>\n" );
document.write( "Substitute y = 1.45 into<BR>\n" );
document.write( "Eq.(1).<BR>\n" );
document.write( "40x + 40y = 154<BR>\n" );
document.write( "40x + 58  = 154<BR>\n" );
document.write( "40x       = 154 - 58<BR>\n" );
document.write( "40x       = 96<BR>\n" );
document.write( "  x       = 96/40<BR>\n" );
document.write( "  x       = 2.40<BR>\n" );
document.write( "Large pies cost $2.40<BR>\n" );
document.write( "Small pies cost $1.45<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );