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Mathematics, 06.10.2019 04:00 jessicawelch25
Ascientist has 40 liters of a 50% acidic solution. she adds a 20% acidic solution to create a mixture that has been diluted to
have 30% acidity. the graph models the percent of acidity in the final mixture.
20 40 60 80
how many liters of the 20% acidic solution should be added to create the needed 30% acidity in the final mixture?
a: 0.5
b: 30
c: 80
d: 37
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Ascientist has 40 liters of a 50% acidic solution. she adds a 20% acidic solution to create a mixtur...
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