Mathematics, 03.08.2019 13:30, Tirone

When starting a new unit, a teacher announces that each day after the first, the class must do twice the total number of problems that had been assigned on all previous days. the class works for 6 days and on the 7th day she says that this is our last day of the unit. on that last day, what fraction of the problems do they still have to complete?

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When starting a new unit, a teacher announces that each day after the first, the class must do twice...