Answer:
[tex]\frac{1}{4} ,\frac{2}{3} ,\frac{3}{4} ,\frac{3}{8}[/tex]
Step-by-step explanation:
Let
every serving must be halved and represented as simple fraction
⇒
[tex]w_{new}=\frac{w}{2}=\frac{1}{2\times2}=\frac{1}{4}[/tex]
[tex]x_{new}=\frac{x}{2}=\frac{4}{3\times2}=\frac{2}{3}[/tex]
[tex]y_{new}=\frac{y}{2}=\frac{3}{2\times2}=\frac{3}{4}[/tex]
[tex]z_{new}=\frac{z}{2}=\frac{3}{4\times2}=\frac{3}{8}[/tex]