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Maths Puzzle
Numerical Ability
How many gallons of cream that is 22% butterfat must be mixed with milk that is 2% buttermilk to get 20 gallons of milk containing 4% buttermilk?
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The animal learning course in the psychology department requires that each student train a rat to perform certain behaviors. The student's grade is partially deter
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(c-2)(2c^2-3c+1)