# SOLUTION: part of \$20000 is to be invested at 9% and the remainder is to be invested at 12%. What is the least amount of money that can be invested at 12% in order to have a yearly income o

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 Click here to see ALL problems on Money Word Problems Question 218221: part of \$20000 is to be invested at 9% and the remainder is to be invested at 12%. What is the least amount of money that can be invested at 12% in order to have a yearly income of at least \$2250 from the two investments?Answer by stanbon(57984)   (Show Source): You can put this solution on YOUR website!part of \$20000 is to be invested at 9% and the remainder is to be invested at 12%. What is the least amount of money that can be invested at 12% in order to have a yearly income of at least \$2250 from the two investments? ------------------------------------- 0.09x + 0.12(20,000-x) = 2250 --- 9x + 12*20,000 - 12x = 225000 -3x = 225000-240,000 -3x = -15000 x = \$5000 20,000-x = \$15,000 (amt invested at 12%) ===================== Cheers, Stan H.