document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=965190>Question 965190</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If interest on a $4,500 loan is $720 what would be the interest on a loan of $ 5, 800 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #589926 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=589926\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 720/4500 = x/5800\r<BR>\n" );
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document.write( "cross multiply to get 720 * 5800 = 4500 * x\r<BR>\n" );
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document.write( "solve for x to get x = (720 * 5800) / 4500 = 928\r<BR>\n" );
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document.write( "assuming the interest rate is the same, then the interest on 5800 should be 928.\r<BR>\n" );
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document.write( "let's see if that's true.\r<BR>\n" );
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document.write( "interest rate on 720/4500 is equal to .16\r<BR>\n" );
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document.write( ".16 * 5800 is equal to 928.\r<BR>\n" );
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document.write( "it works.\r<BR>\n" );
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document.write( "this is a direct variation type equation.\r<BR>\n" );
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document.write( "y = k*x\r<BR>\n" );
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document.write( "when y is 720 and x is 4500, then:\r<BR>\n" );
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document.write( "720 = k * 4500.\r<BR>\n" );
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document.write( "solve for k to get k = 720 / 4500 = .16\r<BR>\n" );
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document.write( "now apply k to your new value for x.\r<BR>\n" );
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document.write( "y = k * x becomes y = .16 * 5800 which becomes y = 928.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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