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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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PLEAS HELP TO ADD GROUPING SYMBOLS TO THIS EXPRESSION TO COME OUT TO 279,936-THANKS 2*3^3+4 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?