SOLUTION: how many liters of 30% acid solution should be mixed with ten liters of 70% acid solution to get a 60% solution
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Question 528204: how many liters of 30% acid solution should be mixed with ten liters of 70% acid solution to get a 60% solution
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let 
represent the number of liters of 30% solution to be added. Then 
is the amount of acid in the 30% solution. Likewise, )
is the amount of acid in the 10 liters of 70% solution, and )
is the amount in the mixture. So:
)
Solve for .
John
My calculator said it, I believe it, that settles it
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