SOLUTION: please help me slove this word problem: A photographer is mixing a 5% acetic acid solution with a 10% acetic acid solution to get 5 liters of a 7% solution. How many liters of the

Question 387048: please help me slove this word problem: A photographer is mixing a 5% acetic acid solution with a 10% acetic acid solution to get 5 liters of a 7% solution. How many liters of the 5% and 10% solutions should she add? Thank you!!
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of 5% solution and B the amount of 10% solution.
1.
.
.

2.
Subtract eq. 1 from eq. 2,

liters
.
.
Then from eq. 1,

liters
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