This question is asking you for the least common multiple of 60 (seconds in 1 minute) and 24 (seconds in 24 seconds).
I think it's 120 (you should check it) and that would be 3 minutes.
so,
it equals 12.49 or 12.5 depending on rounding
I hope this helps!
Answer:
THE BOTTOM ONE
Step-by-step explanation: