Solution:
Since 5 pounds of meat will feed about 26 people.
Thus;
[tex]\begin{gathered} \frac{5}{26}lb\text{ would feed 1 person} \\ \\ =0.1923 \end{gathered}[/tex]If she is expecting 156 people, she should prepare;
[tex]\begin{gathered} (0.1923\times156)lb\text{ of meat} \\ \\ \approx30lb \end{gathered}[/tex]ANSWER: 30lb