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Mathematics, 03.02.2021 04:50 southerntouch103

4) A lab needs to make 100 gallons of an 18% acid solution by mixing a 12% acid solution with a 20% solution. How many gallons of each solution are needed?

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4) A lab needs to make 100 gallons of an 18% acid solution by mixing a 12% acid solution with a 20%...

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