Solution: How many of each strength must he use to produce mixture of 60 cubic meters?

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 mixture of 60 cubic meters that contain 40% alcohol?

How many of each strength must he use to produce mixture of 60 cubic meters?

Problem Statement: ME Board October 1992

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 mixture of 60 cubic meters that contain 40% alcohol?

Problem Answer:

40 cu. m of solution with 35% alcohol, 20 cu. m of solution with 50% alcohol

Solution:

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