Mathematics, 28.02.2021 17:40 shortiibrownskiin
300 ml of pure alcohol is poured from a bottle containing 2 l of pure alcohol. Then, 300 ml of water is added into the bottle. Again 300 ml of the diluted alcohol is poured out and 300 ml of water is added into the bottle, Find the percentage of pure alcohol in the solution now.
Answers: 2
Mathematics, 21.06.2019 18:30, JvGaming2001
School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?
Answers: 2
300 ml of pure alcohol is poured from a bottle containing 2 l of pure alcohol. Then, 300 ml of water...
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