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Start the planA certain quantity of \(40\%\) concentration solution is replaced with \(25\%\) concentration solution such that the concentration of the combined amount is \(35\%.\) What’s the ratio of the amount of solution that was replaced to the amount of solution that was not replaced?
A. \(1{:}3\)
B. \(1{:}2\)
C. \(2{:}3\)
D. \(2{:}1\)
E. \(3{:}1\)
The OA is B
A. \(1{:}3\)
B. \(1{:}2\)
C. \(2{:}3\)
D. \(2{:}1\)
E. \(3{:}1\)
The OA is B
