18 = 3*3*2
15 = 3*5
LCM = 3*3*2*5 = 90 minutes so 1:30
one radio station broadcast a weather forecast every 18 minutes and another station broadcast a commercial every 15 minutes. If the stations both a weather forecast and😛a commercial at noon,when is the next time that both will be broadcast at the same time
3 answers
1:30
Yes It is 90 Minutes or 1:30pm correct