document.write( "Question 306554: Mardi received an inheritance of $60,000. She invested part at 10% and deposited the remainder in
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document.write( "tax-free bonds at 8%. Her total annual income from the investments was $5800. Find the amount
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document.write( "invested at 10%. \n" );
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Algebra.Com's Answer #219369 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Mardi received an inheritance of $60,000. She invested part at 10% and deposited the remainder in \n" ); document.write( "tax-free bonds at 8%. Her total annual income from the investments was $5800. Find the amount \n" ); document.write( "invested at 10%.\r \n" ); document.write( "\n" ); document.write( "let her invest $x at 10%\r \n" ); document.write( "\n" ); document.write( "interest got from this investment will be 0.1*x\r \n" ); document.write( "\n" ); document.write( "She will invest 60000-x at 8%\r \n" ); document.write( "\n" ); document.write( "interest got from this will be 0.08(60000-x)\r \n" ); document.write( "\n" ); document.write( "total interest she got was 5800\r \n" ); document.write( "\n" ); document.write( "0.1x+0.08(60000-x)= 5800\r \n" ); document.write( "\n" ); document.write( "0.1x - 0.08x + 4800= 5800\r \n" ); document.write( "\n" ); document.write( "0.02x= 1000\r \n" ); document.write( "\n" ); document.write( "x= 1000/0.02\r \n" ); document.write( "\n" ); document.write( "x=50,000\r \n" ); document.write( "\n" ); document.write( "$ 50,000 she invested at 10% \n" ); document.write( " |