Train A arrives at central station on the hour and every 12 minutes. Train B arrives on the hour and every 15 minutes. When do both trains arrive at thesame time?
I believe that both trains would arrive at the same time on the hour (D).
Hope this helped :)
Answer:
25 students
Step-by-step explanation:
To solve this problem, use cross multiplication:

3x = 75
x = 25
There are a total of 25 students in the class.