Since Sarah’s age is 2x of Bob’s age (which is 42) Sarah is 84.
Answer:
quadratic formula
Step-by-step explanation:
just accept it
<span>Residents who are under 25 years and those above are mutually exclusive.
Let V = number of persons who take Vanilla under 25yrs and V' be the number of residents who are at least 25yrs who take Vanilla.
Okay, so P(V) = 40/150 and P(V') = 15/150
P(V or V') = 40/150 + 15/150 = 0.366</span>
