Answer:0.5 Pound
Step-by-step explanation:
Given
Natalia bought [tex]\frac{3}{4}[/tex] of a pound of flour to bake cookies
She used [tex]\frac{2}{3}[/tex] of it
i.e. She use [tex]\frac{2}{3}\ of\ \frac{3}{4}\ \text{Pound}[/tex]
[tex]=\frac{2}{3}\times \frac{3}{4}[/tex]
[tex]=\frac{1}{2}\ \text{Pound}[/tex]
So she used [tex]\frac{1}{2}\ \text{Pound}[/tex] of flour.