Question: Use a system of linear equations to find the solution to following problem. Use the formula interest equals principal times rate times time. A total

Use a system of linear equations to find the solution to following problem. Use the formula interest equals principal times rate times time.

A total of $ 7000 is invested, part at 3 % simple interest and part at 6 %. If the total annual return from the two investments is $ 330, how much is invested at each rate?

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