Answer:
[tex]2\dfrac{2}{3}[/tex] cups of flour
Step-by-step explanation:
Each batch uses 2/3 cup of flour.
If Eduardo makes 4 batches, he is going to need [tex]4X\frac{2}{3}[/tex] cups of flour.
[tex]4 X \dfrac{2}{3}=\dfrac{8}{3}=2\dfrac{2}{3}[/tex]
Eduardo is going to need [tex]2\dfrac{2}{3}[/tex] cups of flour.