100个良品里面只允许30个不良品,90个里面能允许多少个不良品呢?80个.70个.60个呢?请问这个公式怎么算?

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• 100个良品里面只允许30个不良品,90个里面能允许多少个不良品呢?80个.70个.60个呢?请问这个公式怎么算?
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• 英语翻译payam is an automobile manufacturer that specializes in production of an economy model and a midsize model.the price of the economy model in market is $15,000 and the price of midsize model is $25,000.payam has one production plant for both.1200 labour hours per day are available in this plant.production of the economy model requires 20 labour hours per car and production of the midsize requires 40 labour hours per car.also the total daily demand