It is the fourth one because proofs always start with the given information
[2] \frac{x}{y} [/3]*[1] \frac{x}{y} [/3]=[2] \frac{x}{y} [/9]
2*1=2
3*3=9
Answer:
x=11
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Total number of bouquets sold yesterday 
Total number of rose bouquets sold yesterday 
Then the probability of selling a rose bouquet out of total 50 bouquet is

Probability of selling other than rose bouquet out of total 50 bouquet is
probability of selling a rose bouquet
Substituting the given values in above equation we get -

Probability that the next bouquet sold will be a rose bouquet
