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Solve the problem by setting up and solving an appropriate system of equations. Doris invested some money at 4% and some money at 6%. She invested $6,000 more at 6% than she did at 4%. Her total yearly interest from the two investments was $730. How much did Doris invest at each rate?
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Solve the problem by setting up and solving an appropriate system of equations.
Doris invested som...
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