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?

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(1513) (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
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