SOLUTION: Dag's invested part of 400 pesos at 5% and the remainder at 3% simple interest. The total income per year from the investment is 168 pesos , how much did he invest at each rate. so

Question 1013213: Dag's invested part of 400 pesos at 5% and the remainder at 3% simple interest. The total income per year from the investment is 168 pesos , how much did he invest at each rate. solve for x
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Even investing the entire 400 pesos at the higher rate (5%)
would only yield 20 pesos per year. To have an income of
168 pesos from 400 pesos:
400x=168
x=168/400
x=0.42
(0.42)(100%)=42%
.
He must earn an interest rate of 42%.
There is no solution to this problem as given.

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