Mathematics, 30.06.2019 14:00 Webber07

Mary seitz invested a certain amount of money in a savings account paying 4% simple interest per year. when she withdrew her money at the end of 3 years, she received $ 480 in interest. how much money did mary place in the savings account?

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Mary seitz invested a certain amount of money in a savings account paying 4% simple interest per yea...