document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971926>Question 971926</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An amount of money invested for 1 year in a savings account will earn $800. That same amount of money invested in a mini-mall development will earn $2,800 interest in a year, because the interest paid is 10% more than that paid by the savings account. Find the rate of interest paid by each investment. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594340 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=594340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=amount of money in saving's account; y=interest rate.\r<BR>\n" );
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document.write( "x* y=800  <BR>\n" );
document.write( "x*(y+0.10)=2800; xy + 0.10x=2800\r<BR>\n" );
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document.write( "y=800/x\r<BR>\n" );
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document.write( "800 +0.10 x=2800<BR>\n" );
document.write( "0.10x =2000<BR>\n" );
document.write( "multiply by 10\r<BR>\n" );
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document.write( "x=$20000\r<BR>\n" );
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document.write( "800/20000=4%\r<BR>\n" );
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document.write( "14% on 20,000=$2800  Check\r<BR>\n" );
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document.write( "Rate of interest is 4% on savings and 14% on mini-mall. </SPAN>\n" );
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