【Question 5】
Children's Day is here, and Teacher Wang bought a piece of clothing for each of the 43 students in the class, spending a total of 1101 yuan. The clothes for male students cost 24 yuan each, and the clothes for female students cost 27 yuan each. How many male students are there in the class? $\qquad$ male students.
【Analysis and Solution】
Chicken and rabbit in the same cage.
( Method One)
Let there be $x$ male students and $y$ female students in the class;
According to the problem, we get $\left\{\begin{array}{c}x+y=43 \\ 24 x+27 y=1101\end{array}\right.$;

Solving, we get $\left\{\begin{array}{l}x=20 \\ y=23\end{array} ;\right.$
There are 20 male students in this class.
（Method Two）
Assume all are girls, then the total cost would be $27 \times 43=1161$, which is $1161-1101=60$ yuan more than the actual amount; each girl's clothing costs $27-24=3$ yuan more than each boy's;
There are $60 \div 3=20$ male students in this class.
（Method Three）
Assume all are boys, then the total cost would be $24 \times 43=1032$, which is $1101-1032=69$ yuan less than the actual amount; each boy's clothing costs $27-24=3$ yuan less than each girl's;
There are $69 \div 3=23$ female students in this class;
There are $43-23=20$ male students in this class.