At Centertown Middle School, 25% of the 124 students Mrs. Wade teaches buy their lunches in the cafeteria.

Out of 124 students, only 31 students are taught to buy their lunches in the cafeteria.

Step-by-step explanation:

It is given that,

The 25% of 124 students are taught to buy their lunches in cafeteria.

Therefore, the total number of students taught to buy their lunches in cafeteria is 25% of 124.

To find the number of students who are capable to buy lunches in cafeteria:

Replace the % symbol into the numeric form. The % is represented by 1 : 100.

The 25% of 124 students is written as,

⇒ 25 * (1/100) * 124

⇒ (1/4) * 124

⇒ 31

The number of students taught to buy lunches in the cafeteria out of 124 students is 31 students.