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How many liters each of a 15% acid solution and a 85 % acid solution must be used to produce 40 liters of a 50% acid solution?
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Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person
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How many liters each of a 15% acid solution and a 85 % acid solution must be used to produce 40 lite...
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