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girlydiy17
girlydiy17
26.08.2019 • 
Mathematics

18. a science teacher has a supply of 20% saline solution and a supply of 50% saline solution. how much of each solution should the teacher mix together to get 60 ml of 28% saline solution for an experiment? (1 point) a) 16 ml of the 20% solution and 44 ml of the 50% solution b) 44 ml of the 20% solution and 16 ml of the 50% solution c) 16 ml of the 20% solution and 16 ml of the 50% solution d) 44 ml of the 20% solution and 44 ml of the 50% solution
i know the answer is b but could someone explain how to get that answer

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