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For each of the next five days, Mary plans to spend 1/3 of the money she has at the beginning of the day. At the beginning of the first day, Mary has $243. Assuming that Mary doesn't get any new money over the next five days, how much money will she have after the fifth day?

 Feb 6, 2021
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$ 243 (1-1/3)^5 = $ 32    after 5 days

 Feb 6, 2021

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