4f=2500 because 4 trips from 2500 means

.
Answer:130
Step-by-step explanation:\
Answer:
the value of x is 10.
Step-by-step explanation:
Answer:
-1.5/2
Step-by-step explanation:
Use the identity P(A ∪ B) = P(A)+P(B)-P(A ∩ B)
P(A)=0.50
P(B)=0.60
P(A ∪ B) = 0.30
=>
P(A ∪ B) = P(A)+P(B)-P(A ∩ B)
=(0.50+0.60)-0.30
=0.80