Saltine crackers?

Question

whats the rule where its said that it's ""impossible to eat _ amount of saltine crackers in _ amount of minutes???""

Answer 1

5, 5

Answer 2

I think its a box in 5 minutes.

Answer 3

I have no idea

Answer 4

I don't know about that, but  .  .  .  

Eat four Saltines quickly, then whistle! (Do this outside!)

.