# A sum of $3000 was invested, part at 6% and the rest at 9%. How much was invested at each rate if the interest on each investment is the same?

##### 1 Answer

Sep 7, 2015

Amount invested at 6% yield

Amount invested at 9% yield

#### Explanation:

Amount invested at 6% yield

Let the yield be

Then

Amount invested at 9% yield

Let the Yield be

Then

Substitute

Amount invested at 6% yield

Amount invested at 9% yield