Examples of Math Problems: If a person invested a third of her money at 6% and two thirds at 9% and received $450 in interest, find the total money invested.

Wednesday, May 21, 2014

If a person invested a third of her money at 6% and two thirds at 9% and received $450 in interest, find the total money invested.

450=%281%2F3%29%28x%29%280.06%29%2B%282%2F3%29%28x%29%280.09%29

x=5625

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