I don't understand this question
Answer:
C
Step-by-step explanation:

Answer:

Step-by-step explanation:
Hello,
This is the same method as computing for instance:

We need to find the same denominator.
Let's do it !
For any x real different from 0, we can write:

Hope this helps.
Do not hesitate if you need further explanation.
Thank you
40 students makes for the DJ.
20 students makes for the decorations.
300 students makes for the profit.
so there was 360 students that went to the dance.