Mathematics, 25.03.2021 22:50 gonzalesalexiaouv1bg

Katie wants to make a 15 ml of a 30% saline solution by mixing together a 28% saline solution and a 34% saline solution. How much of each solution must he use ?

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Katie wants to make a 15 ml of a 30% saline solution by mixing together a 28% saline solution and a...

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