the green light of a crossing goes on and off every 15 second and that of the next crossing goes on and off every 20 second.if they were lighted together at 4 am when will they go on together
Answers
Answered by
5
Answer:
4:02 am
Step-by-step explanation:
L. C. M of 15,20=60 seconds=2 min
after 2 min that means they again light together at 4:02 am
I hope my answer helps you
Answered by
0
Answer:
It crossing goes on 4:00am to 4:15 and next crossing goes on and off at 4:45
Step-by-step explanation:
mark me as the brainliest
Similar questions