Answer:
 pizzas.
 pizzas.
Explanation:
It is given that Aisha and her friends ate 
 pizzas.
 pizzas. 
After the party, the remaining pizza is 
 pizzas.
 pizzas. 
Now, 
 
 
 
 
Pizzas at the starting = Pizza eaten by Aisha and her friends + Remaining pizza 
 
 
 
 
 
 
 
 
Therefore, 
 pizzas were there at the start of the party.
 pizzas were there at the start of the party.