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Mathematics, 09.10.2019 06:30 xojade
How many gallons of a 3% salt solution must be mixed with 7% salt solution to obtain 25 gallons of a 5.4% salt solution?
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The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?
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