document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=661854>Question 661854</A>: <I><SPAN STYLE=\"word-break: break-all;\"> priyankaa invested $2000, part at 8% per annum and the rest at 10% per annum. After one year the total interest earned was $190. How much did she invest at each rate? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #411817 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=411817\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> priyankaa invested $2000, part at 8% per annum and the rest at 10% per annum. After one year the total interest earned was $190. How much did she invest at each rate?<BR>\n" );
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document.write( "Quantity Eq: x + y = 2000<BR>\n" );
document.write( "Interest Eq:8x +10y = 19000<BR>\n" );
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document.write( "Multiply thru the Quantity Eq by 8:<BR>\n" );
document.write( "8x + 8y = 16000<BR>\n" );
document.write( "8x +10y = 19000<BR>\n" );
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document.write( "2y = 3000<BR>\n" );
document.write( "y = $1500 (amt. of 10% investment)<BR>\n" );
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document.write( "solve for \"x\":<BR>\n" );
document.write( "x + y = 2000<BR>\n" );
document.write( "x + 1500 = 2000<BR>\n" );
document.write( "x = $500 (amt. of 8% investment)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );