Mathematics, 26.02.2021 22:00 yeontan
in the lab Dale has two solutions that contain alcohol and is mixing them each other. she uses four times as much solution A as solution B. solution a is 20% of alcohol and solution B is 15% of alcohol. how many milliliters of solution B does he use, if the was resulting mixtures has 570 milliliter of pure alchohol β
Answers: 2
Mathematics, 21.06.2019 13:30
Plz me plzzzzzzz i need and plz delte this after answer
Answers: 3
Mathematics, 22.06.2019 02:00
Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.
Answers: 2
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