The first thing we must do for this case is to define variables.
We have then:
x: total number of pizzas
y: amount of pizza eaten by each guest
Therefore, the total number of guests is given by:
[tex] N = \frac{x}{y} [/tex]
Substituting values we have:
[tex] N = \frac{122}{\frac{1}{4}} [/tex]
Rewriting we have:
[tex] N = 122 * 4 [/tex]
[tex] N = 488 [/tex]
Answer:
The total number of guests is equal 488.