document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36545>Question 36545</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1)Two high school classes took the same test.  One class of 20 students made an average grade of 80%; the other class of 30 students made an average grade of 70%.  What is the average grade for all students in both classes?\r<BR>\n" );
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document.write( "2)The marching band of Success University is practicing for a drill.  Two hundred members equally spaced form a large circle and each member is numbered consecutively.  What is the number of the member who stands directly across from number 9?\r<BR>\n" );
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document.write( "3)Mary’s age is twice Tom’s age and one-third of Sally’s age.  If the sum of their ages is 99, how old is Mary?\r<BR>\n" );
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document.write( "4)If a 5x9x12 rectangular block of wood is painted red and then cut into 540 1x1x1 cubes, how many cubes will have red paint on them? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22447 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=22447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (.8*20+.7*30)/50=(16+21)/50 or 37/50=.74 grade for all 50 students.\r<BR>\n" );
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document.write( "100+9=109 the number opposite #9 100 is opposite 0 then add 9 to each we get 9 & 109\r<BR>\n" );
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document.write( "m+m/2+3m=99 or 4m+m/2=99 or (8m+m)/2=99 or 9m/2=99 or 9m=99*2 or 9m=198 or m=22\r<BR>\n" );
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document.write( "thus Mary is 22 Toms 1/2*22=11 & Sally is 3*22=66 thus 22+11+66=99 or 99=99 \r<BR>\n" );
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document.write( "a 9*12*5 cube has 2 faces 9*12=216 now we have 2 faces 3*9=54 & 2 faces 3*12=72<BR>\n" );
document.write( "adding up all these exclusive faces we get 216+54+72=342 </SPAN>\n" );
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