Answer:

Step-by-step explanation:
Given
Let the total probability be 1
Probability that Brian wins a raffle = n/n+2
Probability that Brian does not win a raffle = 1 - Probability that Brian wins a raffle
Probability that Brian does not win a raffle = 1 - (n/n+2)
Probability that Brian does not win a raffle = 
Probability that Brian does not win a raffle = 
Hence required fraction is
Answer:
38
Step-by-step explanation:
substitute the value of the variable into an equation, then simplify
Answer:
-1/2x+1 is the equation.
Step-by-step explanation: