Answer:
for all it would be 1 but since there is 4 there would be 1.3 for one person, since there is 4 pizzas for now all chefs.
Step-by-step explanation:
(-2, 0.5) first
X (-4, 1) → X' (-4*0.5, 1*0.5)
X'(-2, .5)
Answer: 3/4 or 75%