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Mathematics, 28.10.2020 22:00 jordanbb9482

A chemist has 20 gallons of solution with 12% saline. How much pure saline (100% saline) needs to be added to the 20 gallons to create a mixture with 15% saline content? Round your answer to the nearest tenth (if you answer this please let me know how you got the answer, thank you!)

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A chemist has 20 gallons of solution with 12% saline. How much pure saline (100% saline) needs to be...

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