SOLUTION: A mixture containing 11 % salt is to be mixed with 4 ounces of a mixture that is 20 % salt, in order to obtain a solution that is 17 % salt. How much of the first solution must be

Question 902646: A mixture containing 11 % salt is to be mixed with 4 ounces of a mixture that is 20 % salt, in order to obtain a solution that is 17 % salt. How much of the first solution must be used
I do not know how to set this up. Can you help me please?
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
set up ...
.11x + .20(4oz) = .17(4oz + x)
.03(4oz)/.06 = x
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ounces of 11% solution needed
= ounces of salt in 11% solution
ounces of salt in 20% solution
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2 ounces of 11% solution are needed
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check:

OK
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