Mathematics, 10.12.2019 02:31 amorrison10181
Some amount of a 120 gram 16% solution was taken out and replaced with pure alcohol. the result was a solution of 30% alcohol. how many grams were taken out?
Answers: 3
Mathematics, 21.06.2019 22:00
Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
Answers: 1
Some amount of a 120 gram 16% solution was taken out and replaced with pure alcohol. the result was...
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