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QUESTION
A polishing machine requires 1 hours to make a unit of Product A, and 4 hours to make a unit of Product B. The polishing machine operated for 200...
A polishing machine requires 1 hours to make a unit of Product A, and 4 hours to make a unit of Product B. The polishing machine operated for 200 hours producing a total of 80 units. How many hours were used to manufacture units of Product A?
