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.
4 + square root of 12 is 7.464101615 and it's irrational
<h2>Solution (a) :-</h2>
Let the cost of the less expensive comic book be x .
Then :-

Using this equation , we can find the cost of the less expensive comic book .
Price of the less expensive book :-





Cost of the less expensive book is 107 .
Therefore , the epice of the less expensive book = $ 107 .
<h2>Solution (b) :-</h2>
Cost of the more expensive book = 11x
Which means :-






Therefore , the price of the more expensive book = $ 1177 .