document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198996>Question 198996</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 24 questions on a test. Each question is worth either 4 points or 5 points. The total is 100 points.<BR>\n" );
document.write( "a. Write a system of equations to find the number of each type of question.<BR>\n" );
document.write( "b. Solve the system by subtitution.<BR>\n" );
document.write( "c. How many questions of each type are on the test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149479 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=149479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let  a  =  #  of  4  pt  questions,  and  b = # of  5  point  questions<BR>\n" );
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document.write( "4a +5b =100<BR>\n" );
document.write( "and  a+b=24,,,or  a  =  24-b<BR>\n" );
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document.write( "4(24-b) +5b = 100<BR>\n" );
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document.write( "96 -4b +5b = 100<BR>\n" );
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document.write( "b= 4<BR>\n" );
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document.write( "a= 24-b = 20<BR>\n" );
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document.write( "check<BR>\n" );
document.write( "4(20) + 5(4) = 100 ,,,,ok </SPAN>\n" );
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