document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007322>Question 1007322</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ms. snow decide to get a test worth 90 points and contains 25 questions. multiple-choice questions are worth 3 points and word problems are worth 4 points. How many of each type of question are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623262 by </B><A HREF=/tutors/aboutme.mpl?userid=tiffany222><B>tiffany222(56)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tiffany222><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=623262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let multiple choice questions be x <BR>\n" );
document.write( "Let word problems be y\r<BR>\n" );
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document.write( "3x + 4y = 90<BR>\n" );
document.write( "x + y =25\r<BR>\n" );
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document.write( "Multiply the second equation by 4 to eliminate y:<BR>\n" );
document.write( "3x + 4y = 90<BR>\n" );
document.write( "4x + 4y = 100\r<BR>\n" );
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document.write( "Subtract the two equations:<BR>\n" );
document.write( "-x = -10<BR>\n" );
document.write( "x = 10\r<BR>\n" );
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document.write( "Substitute x to get y:<BR>\n" );
document.write( "x + y = 25<BR>\n" );
document.write( "10 + y = 25<BR>\n" );
document.write( "y = 15\r<BR>\n" );
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document.write( "Final Answer:<BR>\n" );
document.write( "10 multiple choice questions and 15 word problems </SPAN>\n" );
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