[tex]5.50p + 3.25[/tex]
[tex]41.75 = 5.50p + 3.25[/tex]
[tex]41.75 - 3.25 = 5.50p + 3.25 - 3.25[/tex]
[tex]38.5 = 5.50p[/tex]
[tex] \frac{38.5}{5.50} = \frac{5.50p}{5.50} [/tex]
[tex]7 = p[/tex]
Allison ordered 7 pictures.
