A chemist of a distillery experimented on two alcohol solutions of different strength, 35% alcohol and 50% alcohol, respectively. How many cubic meters of each strength must he use in order to produce a mixture of 60 cubic meters that contain 40% alcohol? A. 20m³ of solution with 35% alcohol, 40m³ of solution with 50% alcohol B. 50m³ of solution with 35% alcohol, 20m³ of solution with 50% alcohol C. 20m³ of solution with 35% alcohol, 50m³ of solution with 50% alcohol D. 40m³ of solution with 35% alcohol, 20m³ of solution with 50% alcohol

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