1.

A vessel is filled with liquid, 3 parts of which are water and 5 parts of syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?

A. 1 / 3
B. 1 / 4
C. 1 / 5
D. 1 / 7
Answer» D. 1 / 7


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