Mathematics
Mathematics, 26.06.2019 11:30, twinkieslayer

Last year eduardo invested at 8% interest and his wife sofia invested some money at 9% interest. their total on two investment was $860.this year each dicided to invest the same amount of money as last year eduardo invested at 7% and sofia invested hers at 6%. if they receive a total of $640 interest how much money did each invest

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Last year eduardo invested at 8% interest and his wife sofia invested some money at 9% interest. the...

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