document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=70101>Question 70101</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please solve the following word problem:\r<BR>\n" );
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document.write( "Bob invested $20,000, part at 14% and part at 13%.  If the total interest at the end of the year is $2,720, how much did he invest at 14%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49975 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=49975\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?<BR>\n" );
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document.write( "Let amt. invested at 14% be \"x\"; interest on this is 0.14x<BR>\n" );
document.write( "Amt. invested at 13% is \"20,000-x\"; interest on this is 0.13(20000-x)<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "interest + interest = 2720 dollars<BR>\n" );
document.write( "0.14x + 0.13(20000-x)=2720<BR>\n" );
document.write( "14x 13(20000-x) = 272000<BR>\n" );
document.write( "14x+260000-13x = 272000<BR>\n" );
document.write( "x=12000 dollars (this is the amt. invested at 14%)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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