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For (i), in t minutes, need to sell (3+4) beverage. Assume c people bought only 1 beverage at first round, then the left over must give away to those who already bought (i.e. 2 beverages).
For (ii), it is convertion from minutes to hour, then find 2 hours.
For (ii), it is convertion from minutes to hour, then find 2 hours.
Date Posted:
4 years ago