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Mathematics, 03.02.2021 20:00 amontes189gmialcom

The scientist had a 35% saline solution that he mixed with 10 milliliters of a 75% saline solution to get a 40% saline solution. How many milliliters of the 35% solution was used?

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The scientist had a 35% saline solution that he mixed with 10 milliliters of a 75% saline solution...
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