document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935741>Question 935741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> mai spends 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes, the rest of the day is spent in 6 classes that are all the same length. how long is each class? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #569020 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=569020\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = time per class<BR>\n" );
document.write( "y = total time in school<BR>\n" );
document.write( "z = lunch time<BR>\n" );
document.write( "w = time switching classes<BR>\n" );
document.write( "---<BR>\n" );
document.write( "total time in school:<BR>\n" );
document.write( "y = 7 + 3/5<BR>\n" );
document.write( "y = 35/5 + 3/5<BR>\n" );
document.write( "y = 38/5<BR>\n" );
document.write( "y = 2*(38/5)<BR>\n" );
document.write( "y = 76/10<BR>\n" );
document.write( "---<BR>\n" );
document.write( "lunch time:<BR>\n" );
document.write( "z = 1/2<BR>\n" );
document.write( "z = 5*(1/2)<BR>\n" );
document.write( "z = 5/10<BR>\n" );
document.write( "---<BR>\n" );
document.write( "time switching classes:<BR>\n" );
document.write( "w = 7/10<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y - 6x - z - w = 0<BR>\n" );
document.write( "6x = y - z - w<BR>\n" );
document.write( "x = (y - z - w)/6<BR>\n" );
document.write( "x = (76/10 - 5/10 - 7/10)/6<BR>\n" );
document.write( "x = (76 - 5 - 7)/(10*6)<BR>\n" );
document.write( "x = (64)/(10*6)<BR>\n" );
document.write( "x = (2*2*2*2*2*2)/(2*5*2*3)<BR>\n" );
document.write( "x = (2*2*2*2)/(5*3)<BR>\n" );
document.write( "x = 16/15<BR>\n" );
document.write( "x = 1.0666666666<BR>\n" );
document.write( "---<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "y = 7 + 3/5<BR>\n" );
document.write( "y = 7.6<BR>\n" );
document.write( "z = 1/2<BR>\n" );
document.write( "z = 0.5<BR>\n" );
document.write( "w = 7/10<BR>\n" );
document.write( "w = 0.7<BR>\n" );
document.write( "y - 6x - z - w = 0<BR>\n" );
document.write( "6x = y - z - w<BR>\n" );
document.write( "x = (y - z - w)/6<BR>\n" );
document.write( "x = (7.6 - 0.5 - 0.7)/6<BR>\n" );
document.write( "x = 1.0666666666<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "each class is 1.07 hours<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );