Mathematics
Mathematics, 16.10.2020 07:01, HTTYD

The mad scientist has one solution that is 30% acid and another solution that is 18% acid. How much of each should he use to get 300 L of a solution
that is 21% acid?

answer
Answers: 2

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The mad scientist has one solution that is 30% acid and another solution that is 18% acid. How much...

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