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How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?
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Will mark brainliest! ( explain the answer too, it can be one sentence)
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Mathematics, 22.06.2019 04:40
The equations 2x-5y = -5 11x-5y = 15 9x+ 5y = 5 and 14x+ 5y = -5 are shown on the graph below. which system of equations has a solution of approximately (-0.6. 0.8)?
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What are the steps and answer for - 5n - 2 = 38...
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