Question 16

Explanation

To determine which class has the lowest percentage of students who like mathematics, we need to compare the proportion of students who like the subject to the total number of students in each class. The total number of students is calculated by adding those who like and dislike the subject.

The formula used is:

Here is the detailed percentage calculation for each class:

From the calculation results above, we can compare the percentage values of each class.

It is clear that class $\text{MMM}$ has the smallest percentage, which is approximately $36.5\%$, lower than class $\text{RRR}$ ($37.5\%$) and the other classes.