Mathematics
Mathematics, 24.06.2019 12:10, peno211

Ascientist mixes water (containing no salt) with a solution that contains 30% salt. she wants to obtain 180 ounces of a mixture that is 15% salt. how many ounces of water and how many ounces of the 30% salt solution should she use?

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Ascientist mixes water (containing no salt) with a solution that contains 30% salt. she wants to obt...

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