ANSWER
[tex]\operatorname{\$}1.78\text{ per pound}[/tex]EXPLANATION
We want to find the price per pound of butter.
To do this, we have to divide the total cost of the butter by the total weight of the butter. That is:
[tex]\begin{gathered} \frac{\$5.34}{3} \\ \\ \$1.78\text{ per pound} \end{gathered}[/tex]That is the price per pound of butter.