A jar contains 10 red marbles and 20 blue marbles. if one red marble is selected and then placed back into the jar, what is the
probability of the next marble being a blue marble?
1 answer:
You have a 30% chance of getting a blue marble. <span />
You might be interested in
The answer would be C. Hope it helps
Answer:
12
Step-by-step explanation:
7*3=21 so 4*3=12
The 7 should be one's place...?