Answer:
8 classes
Step-by-step explanation:
Given



Required
The number of class
To calculate the number of class, the following must be true

Where k is the number of classes
So, we have:

Take logarithm of both sides

Apply law of logarithm

Divide both sides by log(2)


Round up to get the least number of classes

C is the answer i think but we dont see th graph
Answer:
8 boxes of donuts
Step-by-step explanation:
72$ /9$ = 8 boxes of donuts