document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179512>Question 179512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have been at this math problem for quiet a while now. I would really like it if you can help me out. The answer may be so easy to get, but I just can't figure it out. Please help. \r<BR>\n" );
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document.write( "The word problem is as followed: <BR>\n" );
document.write( "Mr. X invested an amount for 7% and twice that amount for 8%. At the end of the year the income was $11500. What was the amount invested at 7%? amount invested at 8%?\r<BR>\n" );
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document.write( "Thanks so much .. your help is greatly appreciated!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134459 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=134459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mr. X invested an amount for 7% and twice that amount for 8%. At the end of the year the income was $11500. What was the amount invested at 7%? amount invested at 8%? <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "interest + interest = 11500<BR>\n" );
document.write( "0.07x + 0.08(2x) = 11500<BR>\n" );
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document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "7x + 16x = 1,150,000<BR>\n" );
document.write( "23x = 1,150,000<BR>\n" );
document.write( "x = $50,000 (amt. invested at 7%)<BR>\n" );
document.write( "2x = $100,000 (amt. invested at 8%)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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