document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1030790>Question 1030790</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me understand how to solve these word problems. Not just get the answers but a better understanding.\r<BR>\n" );
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document.write( "Working together, Aaron and Rosa can mow the lawn around the local library in 3 hours. Working alone Aaron can mow the lawn in 5 hours. Write and solve an equation to determine how long it would take Rosa to mow by herself. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645578 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Aaron mows the lawn in 5 hours, so he does 1/5 of the job per hour.  Let x be the number of hours Rosa takes to mow the lawn, then<BR>\n" );
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document.write( "1/5 + 1/x = 1/3<BR>\n" );
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document.write( "multiply both sides of the = by 15x<BR>\n" );
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document.write( "3x + 15 = 5x<BR>\n" );
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document.write( "2x = 15<BR>\n" );
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document.write( "x = 7.5<BR>\n" );
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document.write( "It takes Rosa 7 1/2 hours to mow the lawn<BR>\n" );
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