SOLUTION: Solution "A" is 50% acid and solution "B" is 20% acid. How many liters of each should be combined to make 300 Liters of solution that is 40% acid?

SOLUTION: Solution "A" is 50% acid and solution "B" is 20% acid. How many liters of each should be combined to make 300 Liters of solution that is 40% acid?

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Question 318539: Solution "A" is 50% acid and solution "B" is 20% acid. How many liters of each should be combined to make 300 Liters of solution that is 40% acid?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.

2.
Multiply eq. 1 by (-5) and add it to eq. 2,

Then from eq. 1,

.
.
.
200 liters of 50% solution and 100 liters of 20% solution.

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