What is the probability that the block he pulls out will be yellow?
A. 1/4
B. 1/3
C. 3/1
D. 4/1

Answer:
The probability that he will pull out a yellow block it 1/4.
Step-by-step explanation:
There are 4 blocks in the bag, each a different color. Since there is only one yellow out of 4 different blocks, the fraction would be 1/4.
Hope this helps!