One quarter of the workers at the factory is clerical, one fifth is technical, half are administrative and the other 25 are managerial. How many workers total are there in the factory?
Answer(s): D
Explanation:
First, calculate the fraction of the 25 managerial workers out of the total number of workers by subtracting the fractions given from 1. The 25 managerial workers are 201of the workers, therefore, 5002025=×, a total number of 500 workers. The correct answer is D.
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