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A machine requires 4 hours to make a unit of Product A and 3 hours to make a unit of Product B. Last month, the machine operated for 200 hours producing a total of 60 units. How many units of each type of product did it produce?
The sum of the digits of a two digit number is 16. If the digits were reversed, and the new number were added to the original number, the sum would be 176. Find the original number.
Why is the product of two numbers not always their least common multiple?
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