document.write( "Question 510929: a total of $25000 is invested in two funds paying 6% and 8.5% simple interest. the 6% investment has a lower risk. the investor wants a yearly interest income of $2000 from the two investments.
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document.write( " a)write a system of equations in which one equation represents the total amount invested and the other equation represents the $2000 required in interest. let x and y represent the amounts invested at 6% and 8.5% respectively. \n" );
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Algebra.Com's Answer #341931 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a total of $25000 is invested in two funds paying 6% and 8.5% simple interest. the 6% investment has a lower risk. the investor wants a yearly interest income of $2000 from the two investments. \n" ); document.write( "a)write a system of equations in which one equation represents the total amount invested and the other equation represents the $2000 required in interest. let x and y represent the amounts invested at 6% and 8.5% respectively. \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "Quantity: x + y = 25000 \n" ); document.write( "Interest:0.06x + 0.085 = 2000 \n" ); document.write( "---------------------------------- \n" ); document.write( "Multiply quantity by 60 \n" ); document.write( "Multiply interest by 1000 \n" ); document.write( "------------------------------- \n" ); document.write( "60x + 60y = 60*25000 \n" ); document.write( "60x + 85y = 2000000 \n" ); document.write( "----------------- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "25y = 500000 \n" ); document.write( "y = $20,000 (amt. invested at 8.5%) \n" ); document.write( "--- \n" ); document.write( "x = $5000 (amt. invested at 6%) \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |