document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1113391>Question 1113391</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hey would you please help me with this? I'm pretty sure it's either A or B\r<BR>\n" );
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document.write( "Which system of equations can be used to solve the following problem? \r<BR>\n" );
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document.write( "Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $150, and 40 tickets were sold, how many of each type of ticket were sold?  Let c be the number of child tickets and a be the number of adult tickets.<BR>\n" );
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document.write( "A.<BR>\n" );
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document.write( "5c+3a=150 <BR>\n" );
document.write( "c+a=40<BR>\n" );
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document.write( "B.<BR>\n" );
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document.write( "3c+5a=150 <BR>\n" );
document.write( "a+c=40<BR>\n" );
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document.write( "C.<BR>\n" );
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document.write( "3a+5c=40 <BR>\n" );
document.write( "a+c=150  <BR>\n" );
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document.write( "D.<BR>\n" );
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document.write( "3c+5a=40 <BR>\n" );
document.write( "a+c=150 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728432 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728432\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B<BR>\n" );
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document.write( "1) a + c = 40<BR>\n" );
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document.write( "2) 3c +5a = 150<BR>\n" );
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document.write( "solve equation 1 for c<BR>\n" );
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document.write( "c = 40 -a<BR>\n" );
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document.write( "substitute for c in equation 2<BR>\n" );
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document.write( "3(40 -a) +5a = 150<BR>\n" );
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document.write( "120 -3a +5a = 150<BR>\n" );
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document.write( "2a = 30<BR>\n" );
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document.write( "a = 15<BR>\n" );
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document.write( "c = 40 -15 = 25<BR>\n" );
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document.write( "25 children(c) and 15 adults(a)<BR>\n" );
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document.write( "check the answer<BR>\n" );
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document.write( "3(25) +5(15) = 150<BR>\n" );
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document.write( "75 +75 = 150<BR>\n" );
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document.write( "150 = 150<BR>\n" );
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document.write( "answer checks<BR>\n" );
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