Okay we'll go through all the steps. Ready?
Answer:
24
Step-by-step explanation:
Option B model shows the percent of beads that are blue.
Solution:
Fraction of beads blue = 
To convert it into percent multiply the fraction by 100.


Cancel the common factors, we get
= 20%

This means total number of boxes 100 and shaded in blue color 20.
Therefore option 2 represents
.
Hence option B model shows the percent of beads that are blue.