Answer:
y=4
Step-by-step explanation:
-4 for the first one and 2/3 for the second
Either a pecan or walnut means you add the probabilities together
20% plus 35% equals 55%
Part A:
-np - 70 < 40
+70
-np < 110
-n < 110/p
Part B
4w-7k=28
-7k=28-4w
7k=4w-28
k=4/7w-4
