SOLUTION: 1. a 25% solution acid is mixed with a 15% acid solution to make 20 ounces of a 21% acid solution. How many ounces of each solution are used?
2. A 35% saline solution is mixed wit
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Question 837122: 1. a 25% solution acid is mixed with a 15% acid solution to make 20 ounces of a 21% acid solution. How many ounces of each solution are used?
2. A 35% saline solution is mixed with a 20% saline solution to make 15 ounces of a 25% saline solution.
How many ounces of each solution are used?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
u = ounces of 15% acid
v = ounces of 25% acid
and
Solve these two simultaneous equations for u and v.
More guidance how this works, http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev
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