document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198509>Question 198509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Al mows lawns at a rate of 30 square feet per minute, Bo mows 40 square feet per minute, and Cy mows 60 square feet per minute.  They accept a job that requires that they mow 6060 square feet of lawn.  Al begins mowing at 7:00 A.M., but Bo does not begin for another 15 minutes.  Cy begins mowing at 7:45, and they finish together.  How long did Bo work? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149032 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=149032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Al mows lawns at a rate of 30 square feet per minute, <BR>\n" );
document.write( "Bo mows 40 square feet per minute, and Cy mows 60 square feet per minute. <BR>\n" );
document.write( "They accept a job that requires that they mow 6060 square feet of lawn.<BR>\n" );
document.write( " Al begins mowing at 7:00 A.M., but Bo does not begin for another 15 minutes. <BR>\n" );
document.write( "Cy begins mowing at 7:45, and they finish together. <BR>\n" );
document.write( "How long did Bo work?<BR>\n" );
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document.write( "Let t = Al's mowing time (minutes)<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(t-15) = Bo's mowing time<BR>\n" );
document.write( "and<BR>\n" );
document.write( "(t-45) = Cy's mowing time<BR>\n" );
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document.write( "30t + 40(t-15) + 60(t-45) = 6060<BR>\n" );
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document.write( "30t + 40t - 600 + 60t - 2700 = 6060<BR>\n" );
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document.write( "130t - 3300 = 6060<BR>\n" );
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document.write( "130t = 6060 + 3300<BR>\n" );
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document.write( "130t = 9360<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9360%2F130 ALIGN=MIDDLE  ALT=\"9360%2F130\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 72 minutes is Al's mowing time<BR>\n" );
document.write( "then<BR>\n" );
document.write( "72 - 15 = 57 minutes is Bo's mowing time<BR>\n" );
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document.write( "Check solution<BR>\n" );
document.write( "30(72) + 40(57) + 60(27) = <BR>\n" );
document.write( "2160 + 2280 + 1620 = 6060 </SPAN>\n" );
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