document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630678>Question 630678</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Isis can paint her garage in 1 hour and 15 minutes. If Jerry helps her, they can paint the garage in 45 minutes. How long would it take Jerry to paint the garage by himself? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397084 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=397084\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Isis can paint her garage in 1 hour and 15 minutes. If Jerry helps her, they can paint the garage in 45 minutes. How long would it take Jerry to paint the garage by himself?<BR>\n" );
document.write( "1 hour and 15 minutes = 60 + 15 = 75 minutes<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = time (minutes) it takes Jerry to paint alone<BR>\n" );
document.write( "then<BR>\n" );
document.write( "45(1/75 + 1/x) = 1<BR>\n" );
document.write( "multiplying both sides by 75x:<BR>\n" );
document.write( "45(x + 75) = 75x<BR>\n" );
document.write( "45x + 3375 = 75x<BR>\n" );
document.write( "3375 = 30x<BR>\n" );
document.write( "112.5 minutes = x<BR>\n" );
document.write( "or<BR>\n" );
document.write( "1 hour and 52.5 minutes = x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );