document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867293>Question 867293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On his first two social studies tests, Billy made an 86 and a 93. What grade must Billy make on the third test to have an average of 90 for all three tests? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #522901 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=522901\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On his first two social studies tests, Billy made an 86 and a 93. What grade must Billy make on the third test to have an average of 90 for all three tests?<BR>\n" );
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document.write( "Let the 3rd test score be \"x\"::<BR>\n" );
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document.write( "Equation::<BR>\n" );
document.write( "(86+93+x)/3 = 90<BR>\n" );
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document.write( "179 + x = 270<BR>\n" );
document.write( "x = 91<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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