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Mathematics, 20.10.2021 14:00 kylie252
Susan invests 3 times as much money at 13% as she does at 9%. If her total interest after 1 year is $1920, how much does she have invested at each rate? Susan invests $ at 9% and $ at 13%.
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Susan invests 3 times as much money at 13% as she does at 9%. If her total interest after 1 year is...
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