In a box, there are 9 blue, 6 white and some black stones. A stone is randomly selected and the probability that the stone is black is ¼. Find the total number of stones in the box?5
1192 5b5cc64ae4d2b4197774bc47
Q: In a box, there are 9 blue, 6 white and some black stones. A stone is randomly selected and the probability that the stone is black is ¼. Find the total number of stones in the box?
- 115false
- 218false
- 320true
- 424false
- Show Answer
- Workspace
- Discuss