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A pharmacist has 20 L of a 10% drug solution. How many liters of a 5% solution must be added to get a mixture that is 8%?
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Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?
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A pharmacist has 20 L of a 10% drug solution. How many liters of a 5% solution must be added to get...
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