SOLUTION: A scientist has two solutions which she has labeled solution a and solution B you can seem so she knows that solution a is 25% salt solution that is 75% salt she wants to obtain a
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Question 1024133: A scientist has two solutions which she has labeled solution a and solution B you can seem so she knows that solution a is 25% salt solution that is 75% salt she wants to obtain a 90 ounce of a mixture that is 35% salt how many ounces of each solution will she need
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Call the amount of 25% solution, x. Then the amount of 75% solution would have to be 90-x. The setup is like this...
.25x + .75(90-x) = .35(90)
Now solve this...
.25x + 67.5 - .75x = 31.5
-.5x = -36
x = 72 ounces of 25% solution which means
90-x = 18 ounces of 75% solution
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