The manager of a factory observed that the maximum number of units a typical worker can produce in a day is 45. The learning curve for the number of units, N, that can be produced per day after a new employee has worked t number of days is N = 45(1 − e–0.03t). How many units can a worker produce on day 30?

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the answer is 128

answer: its the third option.

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i just took the test.

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

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