leanne earned $400 and $550 in interest the last 2 years. how much interest must she earn this year so that her average earnings over three years is more than $600
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Mini on rupees 400 rupees 515 in the last 2 years how much interest on this year so that the average earnings over 3 years more than rupees 600 equals to 400 + 500 =950 it is answer
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