Question

One radio station broadcasts a weather

forecast every 8 minutes and another station broadcasts a
commercial every 10 minutes. If the stations broadcast both a weather forecast and a commercial
at noon, when is the next time both will be broadcast at the same time?

Answer 1

12:40 pm

Explanation

Weather 12:08,16,24,32,40,48,56,etc

Commercial 12:10,20,30,40,50,60,etc

They both have 40 in their list which means that the next time they will both broadcast at the same time is at 12:40 pm.