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A lighthouse flashes its light every 30 minutes. Another lighthouse flashes every 1 hour. If the two lighthouses flash together at 12:00 a.m., at what time will they next flash together?

Sagot :

Answer:

At 1:00 a.m. is the time the two lighthouses will flash together.

Answer:

the answer is 1 a.m

Step-by-step explanation:

if the first lighthouse flashes every 30 minutes and the other flashes every 1 hour, therefore, the first lighthouse will flash at 12:30 am and of course it will flash again in 1 am because it flashes every 30 minutes.