Set up the equation, relating the new ratio of salt

to solution to the desired 20% salt solution.

A)) 19.2 / (160 - x) = 20/100

B)) (160 - x) / 19.2 = 20/100

C)) 0/19.2 = x/160

D)) 19.2/x = 20/100

5x^2=14 in standard form

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