SOLUTION: How many liters of 2% brine solution must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution? How do you solve this and what steps do you take?

Question 653098: How many liters of 2% brine solution must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution?
How do you solve this and what steps do you take?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How many liters of 2% brine solution must be added to 30 liters of a 10% brine solution to dilute it to an 8% solution?
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let x=amt of 2% solution to be added
2%x+10%*30=8%(30+x)
.02x+3=2.4+.08x
.06x=0.6
x=0.6/.06=10
amt of 2% solution to be added=10 liters
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