# SOLUTION: A total of \$4000 was invested, part of it at 8% and the remainder at 9%. If the total interest income amounted to \$350, how much was invested at each rate?

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 Question 161573: A total of \$4000 was invested, part of it at 8% and the remainder at 9%. If the total interest income amounted to \$350, how much was invested at each rate?Answer by jojo14344(1512)   (Show Source): You can put this solution on YOUR website! Let amount invested @ 8% so the remaining, was invested @9% Putting into eqn with interest of \$350: , EQN 1 -------> , AMOUNT INVESTED @ 8% , AMOUNT INVESTED @ 9% Check via EQN 1 Thank you, Jojo