document.write( "Question 604463: Hello\r
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document.write( "Here is a word problem I am having trouble with.\r
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document.write( "Bob invests in two different retirement funds. He invests some money in a fund with 3% interest and twice as much money in another fund at 4.5% interest. Find the amount deposited at each rate if the total annual interest income is $3,000.\r
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document.write( "Here is the equation I have written but not sure if it is correct.\r
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document.write( "Thanks
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Algebra.Com's Answer #381176 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Part I 3.00% per annum ------------- x \n" ); document.write( "Part II 4.50% per annum ------------ y \n" ); document.write( "y=2x \n" ); document.write( "Interest----- 3000 \r \n" ); document.write( "\n" ); document.write( "3.00% x + 4.50% * 2 x = 3000 \n" ); document.write( "0.03 x + 0.045 * 2 x = 3000 \n" ); document.write( "0.03 x + 0.09 x = 3000 \n" ); document.write( "0.12 x = 3000 \n" ); document.write( "/ 0.12 \n" ); document.write( "x= 25000 --- Fund A \n" ); document.write( "2 x = 50000 Fund B \n" ); document.write( " \n" ); document.write( " CHECK \n" ); document.write( "25000 @ 3.00% = 750 \n" ); document.write( "50000 @ 4.50% = 2250 \n" ); document.write( " Interest= 3000 \n" ); document.write( " \n" ); document.write( " |