Answer to Question #302445 in Engineering for Jdjd

Question

goods truck arrive randomly at a stockyard with a mean of 8 trucks/hour.a crew of four operatives can unload a truck in 6 minutes. trucks waiting in queue to be unloaded are paid a waiting charge at the rate of 60/hour, operative are paid a wage rate of 20/hour.it is possible to augment the crew strength to 2 or 3 (of four operatives per crew) when the unloading time will be 4 minutes or 3 minutes respectively per truck.find the optimal crew size

Answer 1

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