document.write( "Question 302597: Here is my question i have to solve for homework and am very confused:\r
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document.write( "Shaun invests $4000 at 4% interest per year.
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document.write( "How much additional money must he invest at 5.5% interest per year to ensure that the interest he recieves each year is 4.5% of the total amount invested?\r
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document.write( "Please get back to me as soon as possible.\r
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document.write( "Thank you
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document.write( "Caylee \n" );
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Algebra.Com's Answer #216962 by mananth(16949) You can put this solution on YOUR website! Shaun invests $4000 at 4% interest per year. \n" ); document.write( "How much additional money must he invest at 5.5% interest per year to ensure that the interest he recieves each year is 4.5% of the total amount invested?\r \n" ); document.write( "\n" ); document.write( "$4000 @ 4%\r \n" ); document.write( "\n" ); document.write( "$x @ 5.5%\r \n" ); document.write( "\n" ); document.write( "Interest received = 4.5%(x+4000)\r \n" ); document.write( "\n" ); document.write( "0.04 *4000 + 0.055x = 0.045x+ 180\r \n" ); document.write( "\n" ); document.write( "160.00+0.055x -0.045x =180\r \n" ); document.write( "\n" ); document.write( "0.01x=20\r \n" ); document.write( "\n" ); document.write( "x= 20 / 0.01\r \n" ); document.write( "\n" ); document.write( "x=2000\r \n" ); document.write( "\n" ); document.write( "He has to invest $ 2000 At 5.5%\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |