# calculus

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Rice production requires both labor and capital investments in equipment and land. Suppose that if x dollars per acre aer invested in labor and y dollars per acre are investd in equpiment and land, then the yield P of rice per acre is given by the formula P = 100 times the square root of x + a50 times the square root of y. If a farmer invests \$40/acre, how hould he divide the \$40 between labor and capital investment in order to maximize the amount produced?

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