document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136081>Question 1136081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mathematical test consists of 20 problems .at the beginning everyone started with 20 points. for the correct answer, everyone gets 1 point for incorrect or missed question 1 point is subtracted.mary final result is 24 how many correct answers did marry give </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753863 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13215)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753863\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "You can solve this by logical reasoning, although algebra can also be used.<br><BR>\n" );
document.write( "Suppose Mary answers the first 4 questions right; then her score is 24 -- the score she ends up with.<br><BR>\n" );
document.write( "For her final score to again be 24, the remaining 16 questions must be half right and half wrong -- i.e., 8 right and 8 wrong.<br><BR>\n" );
document.write( "So overall she got 12 answers right and 8 wrong. </SPAN>\n" );
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