Two lighthouses can be seen from the top of a hill. The first flashes once every 10 seconds, and the other flashes once every 15 seconds. If they flash at the same time, how long will it be until they flash at the same
time again?
Answers
Answered by
1
Answer:
:Find the Least Common multiple of 8 and 15
Prime factor 8: 2,2,2
Prime factor 15: 3*5
LCM: 2*2*2*3*5 = 120 seconds, 2 = minutes.
they will flash together at 12:02 AM
Answered by
1
Answer:
5
Step-by-step explanation:
5 more seconds
I hope it helps
Similar questions