document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156951>Question 156951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man invested $6000 dollars and if 5% is in simple intrest and the rest is in 7% interest. if the anunal income on the interest is $372 how much money was put in each one? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115776 by </B><A HREF=/tutors/aboutme.mpl?userid=orca><B>orca(409)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=orca><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=115776\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the amount invested at 5%, the the amount invested at 7% is 6000 - x.<BR>\n" );
document.write( "The interest earned from the 5% investment is x*5%.<BR>\n" );
document.write( "The interest earned from the 7% investment is (6000 - x)*7%.<BR>\n" );
document.write( "Their total is 372, we have:<BR>\n" );
document.write( "x*5% + (6000 - x)*7% = 372<BR>\n" );
document.write( "Solving the equation for x, we have<BR>\n" );
document.write( "5x + 7(6000 - x) = 37200    (multiply both sides by 100)<BR>\n" );
document.write( "5x + 42000 - 7x = 37200<BR>\n" );
document.write( "-2x = -4800<BR>\n" );
document.write( "x = 2400<BR>\n" );
document.write( "So <BR>\n" );
document.write( "the amount invested at 5% is $2400.<BR>\n" );
document.write( "the amount invested at 7% is 6000 - x = 6000 - 2400 = $3600.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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