SOLUTION: How much water must be added to 3 quarts of a 10% solution of acid to reduce it to a 6% solution?

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Question 868404: How much water must be added to 3 quarts of a 10% solution of acid to reduce it to a 6% solution?
Found 2 solutions by josgarithmetic, richwmiller:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Depending on what kind of percents meant,
v = amount of water to add,
3%2A10%2F%28v%2B3%29=6
Find v.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Perhaps you mean 3 quarts of 10% solution
view of water
3*.90+x=.94(3+x)
x=2 quarts
view of acid
3*.10=.06(3+x)
x=2 quarts