Answer:
72 minutes
Step-by-step explanation:
Given that:
Advert runs on :
Station 1 : every 24 minutes
Station 2 : every 18 minutes
Both have the advert running presently ; How many minutes until both stations will have the advertisement on again at the same time?
To obtain the time the advert will run again at the same time on both stations, we find the Lowest common factor of 24 and 18
_2__24 ____18
_2__12_____9
_2__6_____ 9
_3__3 _____9
_3__1_____ 3
____1_____1
2 * 2 * 2 * 3 * 3 = 72
After 72 minutes
