Answer:
-3 times 4=-12
12 limbs lost in 4 days
Explanation:
A zombie lost 3 limbs each day for 4 days
We need to frame the equation
A zombie lost 3 limbs. It means 3 is negative because it says lost
3 limbs lost for 4 days
So we need to add -3 , four times

We can also write equation as

-12 represents the number of limbs lost in 4 days
12 limbs lost in 4 days