document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1138808>Question 1138808</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I keep getting this wrong, can someone help me, please?  I would be grateful.  Thanks so much.\r<BR>\n" );
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document.write( "Twin​ brothers, Andy and​ Brian, can mow their​ grandparent's lawn together in <BR>\n" );
document.write( "60 minutes.  Brian could mow the lawn by himself in 22 minutes more than it would take Andy. How long would it take each person to mow the lawn​ alone?\r<BR>\n" );
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document.write( "Andy______  Brian_______<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #756591 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=756591\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Twin​ brothers, Andy and​ Brian, can mow their​ grandparent's lawn together in <BR>\n" );
document.write( "60 minutes.  Brian could mow the lawn by himself in 22 minutes more than it would take Andy. How long would it take each person to mow the lawn​ alone?\r<BR>\n" );
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document.write( " Andy and​ Brian, can mow lawn together in 60 minutes.  \r<BR>\n" );
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document.write( "They mow 1/60 of the job in 1 minute\r<BR>\n" );
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document.write( "Let andy take x minutes to mow the lawn alone<BR>\n" );
document.write( "Andy does 1/x of the job in 1 minute\r<BR>\n" );
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document.write( "Brian will take x+22 minutes to mow the lawn alone<BR>\n" );
document.write( "Brian will do 1/(x+22) of the job in 1 minute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fx+%2B+1%2F%28x%2B22%29+=+1%2F60 ALIGN=MIDDLE  ALT=\"1%2Fx+%2B+1%2F%28x%2B22%29+=+1%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B22%2Bx%29%2F%28x%28x%2B22%29%29+=1%2F60 ALIGN=MIDDLE  ALT=\"%28x%2B22%2Bx%29%2F%28x%28x%2B22%29%29+=1%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "120x + 1320 = x^2 + 22x\r<BR>\n" );
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document.write( "x^2 -98x-1320 =0\r<BR>\n" );
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document.write( "x2 - 98x - 1320 = 0\r<BR>\n" );
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document.write( "Roots: 110, -12<BR>\n" );
document.write( "Ignore negative value <BR>\n" );
document.write( "x= 110 minutes--------Andy's  time alone\r<BR>\n" );
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document.write( "Add 22 to Andy's time to get Brian's time\r<BR>\n" );
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