document.write( "Question 211533: A total of $6000 is deposited into two simple interest accounts. One account has an interest rate of 7.5% and the other has a rate of 11.4%. How much should be invested in the 11.4% account to earn a total interest of $528? \n" ); document.write( "
Algebra.Com's Answer #159867 by checkley77(12844)\"\" \"About 
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.114*X+.075(6,000-X)=528
\n" ); document.write( ".114X+450-.075X=528
\n" ); document.write( ".039X=528-450
\n" ); document.write( ".039X=78
\n" ); document.write( "X=78/.039
\n" ); document.write( "X=2,000 IS THE AMOUNT INVESTED @ 11.4%.
\n" ); document.write( "6,000-2,000=4,000 IS THE AMOUNT INVESTED @ 7.5%
\n" ); document.write( "PROOF:
\n" ); document.write( ".114*2,000+.075*4,000=528
\n" ); document.write( "228+300=528
\n" ); document.write( "528=528
\n" ); document.write( "
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