document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906197>Question 906197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes a painter 15 hours to prepare and paint one room. How many rooms could a painter paint in 52 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549679 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=549679\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> rate * time = quantity.\r<BR>\n" );
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document.write( "quantity = 1 room prepared and painted.\r<BR>\n" );
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document.write( "time = 15 hours.\r<BR>\n" );
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document.write( "solve for rate to get:\r<BR>\n" );
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document.write( "r*15 = 1\r<BR>\n" );
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document.write( "r = 1/15\r<BR>\n" );
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document.write( "the rate of preparing and painting 1 room is 1/15 of the room in one hour.\r<BR>\n" );
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document.write( "therefore in 52 hours, the painter can prepare and paint 52 * 1/15 = 3.47 rooms rounded to 2 decimal places.\r<BR>\n" );
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document.write( "you can also look at this as a ratio.\r<BR>\n" );
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document.write( "15/1 = 52/x\r<BR>\n" );
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document.write( "15 hours is to one painted room as 52 hours is to x painted rooms.\r<BR>\n" );
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document.write( "cross multiply to get 15x = 52\r<BR>\n" );
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document.write( "divide both sides of the equation by 15 to get x = 3.47 rounded to 2 decimal places.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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