document.write( "Question 692339: Please help me in this inequality problem.
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document.write( "David has $15.000 to invest. He invests $10.000 in a mutual fund that pays 12% annual simple interest. If he wants to make at least $2200 in yearly interest , at what minimum rate does the remainder of the money need to be invested? \n" );
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Algebra.Com's Answer #426983 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Please help me in this inequality problem. \n" ); document.write( "David has $15.000 to invest. He invests $10.000 in a mutual fund that pays 12% annual simple interest. If he wants to make at least $2200 in yearly interest , at what minimum rate does the remainder of the money need to be invested? \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let rate that $5,000 ($15,000 – 10,000) need to be invested at, be r \n" ); document.write( "Then: .12(10,000) + r(5,000) ≥ 2,200 \n" ); document.write( "1,200 + 5,000r ≥ 2,200 \n" ); document.write( "5,000r ≥ 2,200 – 1,200 \n" ); document.write( "5,000r ≥ 1,000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "r, or rate to invest $5,000 ≥ \n" ); document.write( "\n" ); document.write( "OR\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "$5,000 need to be invested at a certain rate in order to make $1,000 ($2,200 - 1,200). This is then written as: r(5,000) ≥ 1,000. Solve for r and the rate is found.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You can do the check!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |