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poppy1173
19.10.2021 •
Mathematics
12 mL of a 5% solution. He also has a solution that has a concentration of 30%. How many mililiters of the 30% solution does Deon need to add to the 5% solution to obtain a 20% solutions? The answer is 18ml but I need the work I’ll make u the brainilest answer
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Ответ:
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