Question

Mr. Chang's class has 28 students, 7 of whom are girls. Which equation shows how to determine the number of girls in Mr. Chang's class?

A. 28 - 4 - 49
B. 23x - 16
C. 24 - 28 - 11
D. 7x = 28

Answer 1

The equation that shows how to determine the number of girls in Mr. Chang's class is 28 - 4 - 49. There are 24 girls in Mr. Chang's class.

Step-by-step explanation:

The equation that shows how to determine the number of girls in Mr. Chang's class is A. 28 - 4 - 49.

To solve this equation, we subtract the number of boys from the total number of students. In this case, there are 28 students in total, so we subtract 4 boys to get the number of girls. This gives us 24 girls in Mr. Chang's class.