Final answer:
The subject of this question is Equation and Students. The equation provided represents the marks Jalen brought in for her math group, and it is used to determine how many students are in Jalen's group. However, the specific equation is not provided in the question, so we cannot determine it with the given information.
Step-by-step explanation:
The subject of this question is Equation and Students.
The equation provided represents the marks Jalen brought in for her math group, so the equation is used to determine how many students are in Jalen's group.
To find the number of students, we need to identify the equation that relates the number of students to the marks Jalen brought. However, the specific equation is not provided in the question, so we cannot determine it with the given information.