Solve equations by an appropriate algebraic method

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Question: Solve the indicated or given systems of equations by an appropriate algebraic method.

A 6.0% solution and a solution of a drug are added to 200 mL of a 20.0% solution to make 1200 mL of a 12.0 % solution for a proper dosage.

The equations relating the number of milliliters of the added solutions are

x + y + 200 = 1200

Find x and y (to three significant digits).

Reference no: EM131562777

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