Answer:
1/4 or 25%
Explanation:
The probability of picking a yellow marker is the same as how "big of a part" the yellow markers are out of the total number of markers.
Let's find the total number of markers:
7 + 3 + 4 + 2 = 16
There are 16 markers in total. Out of these, 4 are yellow.
Thus, the probability of picking a yellow will be:

Answer: 1/4
We can also write it as a percentage:
