Answer:
charlie,brian,abel
Step-by-step explanation:
Answer:
to figure out how much it costs.
Step-by-step explanation:
let me know if I'm wrong
Answer: 0.5
Step-by-step explanation:
Given
There are 3 blue and 1 yellow marble
The chance of picking two marble out of 3 is 
The total no of ways of picking 2 marbles out of 4 is 
Therefore, the probability of picking 2 blue marbles

4 1/2 + 5 5/6 is the equation