document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=94633>Question 94633</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073268620/algebrahomeworkh>ALEKS(on line)</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solving a word problem using a system of linear equations: <BR>\n" );
document.write( "the combined cost of one advance ticket to a show and one same-day ticked was $45. it is known that 25 tickets were sold in advance and 15 the same day, for the total receipts of $825 <BR>\n" );
document.write( "What was the price of tickes sold in advance by y:\r<BR>\n" );
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document.write( "this is what I do know:\r<BR>\n" );
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document.write( "x+y=45<BR>\n" );
document.write( "15x+25y=825\r<BR>\n" );
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document.write( "the answer is x=$30 y=15\r<BR>\n" );
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document.write( " But I dont know what they did to 15x+25y=825 to get the answer.<BR>\n" );
document.write( "I was subtracting 25y from each side and then dividing to get Y and that isn't working for me. <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 #68931 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=68931\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=45<BR>\n" );
document.write( "15x+25y=825 <BR>\n" );
document.write( "the answer is x=$30 y=15 <BR>\n" );
document.write( "But I dont know what they did to 15x+25y=825 to get the answer<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "x = 45-y<BR>\n" );
document.write( "Substitute so you can solve for y, as follows:<BR>\n" );
document.write( "15(45-y) + 25y = 825<BR>\n" );
document.write( "675 - 15y + 25y = 825<BR>\n" );
document.write( "10y = 150<BR>\n" );
document.write( "y = $15 (price of a same-day ticket)<BR>\n" );
document.write( "45-15 = $30 (price of an advanced-sale ticket)<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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