Answer:
p = 5
Step-by-step explanation:
[tex] - 13(1 - 11p) + 14p = 772[/tex]
[tex] - 13 + 143p + 14p = 772[/tex]
[tex]157p = 772 + 13[/tex]
[tex]157p = 785[/tex]
[tex]p = \frac{785}{157} = 5[/tex]