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Mathematics, 31.05.2020 00:58 raweber

A chemist has 500 millimeters of a solution that is 1/2 alcohol . he needs a solution that is 60% alcohol. How many milliters of alcohol should he add?

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A chemist has 500 millimeters of a solution that is 1/2 alcohol . he needs a solution that is 60% al...

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