document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981523>Question 981523</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at a mathematics Quiz 30 problems were given. each correct answer earned 4 points and 2 points were deducted for each incorrect answer andrew answered all but one of the problems, scoring 86 points how many correct answer did he have </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602557 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "C=correct answers; I=incorrect answers; A=total answered=29<BR>\n" );
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document.write( "I+C=A<BR>\n" );
document.write( "I+C=29<BR>\n" );
document.write( "I=29-C Use to substitute for I below.<BR>\n" );
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document.write( "4C-2I=86 Substitute for I from above.<BR>\n" );
document.write( "4C-(2)(29-C)=86<BR>\n" );
document.write( "4C-58+2C=86 Add 58 to each side.<BR>\n" );
document.write( "6C=144 Divide each side by 6.<BR>\n" );
document.write( "C=24 ANSWER: Andrew answered 24 questions correctly.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
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document.write( "I-29-C=29-24=5<BR>\n" );
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document.write( "4C-2I=86<BR>\n" );
document.write( "4(24)-2(5)=86<BR>\n" );
document.write( "96-10=86<BR>\n" );
document.write( "86=86 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );