document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585355>Question 585355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John can wash 7 cars in 3 hours and Kevin can wash 21 cars in 12 hours.  If they work together, how many cars can they wash in 5 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373292 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=373292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     John can wash 7 cars in 3 hours and Kevin can wash 21 cars in 12 hours. If they work together, how many cars can they wash in 5 hours?<BR>\n" );
document.write( "5(7/3 + 21/12)<BR>\n" );
document.write( "5(28/12 + 21/12)<BR>\n" );
document.write( "5(49/12)<BR>\n" );
document.write( "245/12<BR>\n" );
document.write( "20.4 <BR>\n" );
document.write( "or, rounding to whole cars:<BR>\n" );
document.write( "20 cars<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );