Mathematics, 01.08.2019 03:00 sav035

Julie wants to make 800g of a 15% alcohol solution by mixing 20% solution and a 4% solution. how many grams of each kind does she need? if a 20% and a 4% alcohol solution weigh x g and y g respectively solve with equation and show steps you ; )

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Julie wants to make 800g of a 15% alcohol solution by mixing 20% solution and a 4% solution. how man...