Riddle: A Jar A Mixture of Water and Syrup

A jar is filled with liquid, 3 parts of which are water and 5 parts 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? Select the correct option from below; A. 1/3 B. 1/4 C. 1/5 D. 1/7 So were