document.write( "Question 988049: A professor wants to supplement her pension with investment interest. If she invests $28,000 at 6% interest, how much more would she have to invest at 9% to achieve a goal of $2,670 per year in supplemental income?
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Algebra.Com's Answer #608699 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A professor wants to supplement her pension with investment interest. If she invests $28,000 at 6% interest, how much more would she have to invest at 9% to achieve a goal of $2,670 per year in supplemental income? \n" ); document.write( "----------- \n" ); document.write( "Equation:: \n" ); document.write( "0.06*28000 + 0.09x = 2670 \n" ); document.write( "---------- \n" ); document.write( "6*28000 + 9x = 267000 \n" ); document.write( "------ \n" ); document.write( "9x = 99000 \n" ); document.write( "x = $11000 \n" ); document.write( "---- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------- \n" ); document.write( " |