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Mathematics, 18.12.2019 23:31 tomuchsaucecj
Show an equation and a solution. how much pure antifreeze must be added to 12 l of a 40% solution to obtain a 60% solution. (remember that pure antifreeze is 100% = 1.)
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Show an equation and a solution. how much pure antifreeze must be added to 12 l of a 40% solution to...
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