SOLUTION: Saul made some extra money last year from a part-time job. He invested part of the money at 2% with four times as much invested at 3.25%. He made a total of $150.00 in interest. Ho

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Question 1169447: Saul made some extra money last year from a part-time job. He invested part of the money at 2% with four times as much invested at 3.25%. He made a total of $150.00 in interest. How much was invested at 3.25%?
Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.

Let x be the amount invested at 2%.

Then the amount invested at 3.25% is 4x, according to the condition.


Next, you write the total interest equation


    0.02x + 0.0325*(4x) = 150  dollars.


Simplify and solve this equation.


When you find x, calculate 4x.


If you compute everything correctly, it will be your answer.



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