SOLUTION: Marie mixes 16 liters of 78% acid solution with a 25% acid solution to make a 41% acid solution.
How many liters of 25% solution did she use?
8 liters
12
Algebra.Com
Question 931749: Marie mixes 16 liters of 78% acid solution with a 25% acid solution to make a 41% acid solution.
How many liters of 25% solution did she use?
8 liters
12 liters
13.7 liters
37 liters
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = liters of 78%
y = liters of 25%
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x + y = 16
78x + 25y = 41*16
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put the system of linear equations into standard form
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x + y = 16
78x + 25y = 656
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answer:
x = liters of 78% = 4.8301887
y = liters of 25% = 11.169811
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