document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001612>Question 1001612</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Roscoe must play 27 commercials during his 1-hr radio show. Each commercial is either thirty seconds or sixty seconds long. If the total commercial time during that hour is 17 minutes, how many commercials of each type does Roscoe play?\r<BR>\n" );
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document.write( " Round answers to the nearest whole number.<BR>\n" );
document.write( "30 second commercials_____<BR>\n" );
document.write( "60 Second Commercials______ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618733 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=618733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "T=number of 30 second commercials; S=number of 60 second commercials<BR>\n" );
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document.write( "T+S=27<BR>\n" );
document.write( "T=27-S<BR>\n" );
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document.write( "17 min x 60 sec/min=1020 seconds<BR>\n" );
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document.write( "30T+60S=1020<BR>\n" );
document.write( "30(27-S)+60S=1020<BR>\n" );
document.write( "810-30S+60S=1020<BR>\n" );
document.write( "30S=210<BR>\n" );
document.write( "S=7<BR>\n" );
document.write( "ANSWER 1: There were seven 60 second commercials.<BR>\n" );
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document.write( "T=27-S=27-7=20<BR>\n" );
document.write( "ANSWER 2: There were twenty 30 second commercials.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "30T+60S=1020<BR>\n" );
document.write( "30(20)+60(7)=1020<BR>\n" );
document.write( "600+420=1020<BR>\n" );
document.write( "1020=1020<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );