Mathematics, 05.11.2020 23:00 blancademarco1994

Last year, Keith opened an investment account with $8200. At the end of the year, the amount in the account had decreased by 7.5%. How much is this decrease in dollars? How much money was in his account at the end of last year?

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Last year, Keith opened an investment account with $8200. At the end of the year, the amount in the...