SOLUTION: the light and one lighthouse flashes every 8 seconds while the other light house flashes every 15 seconds. they flash together at midnight.what is the time when they next flash tog

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Question 562393: the light and one lighthouse flashes every 8 seconds while the other light house flashes every 15 seconds. they flash together at midnight.what is the time when they next flash together?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
the light and one lighthouse flashes every 8 seconds while the other light house flashes every 15 seconds. they flash together at midnight.what is the time when they next flash together?
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They flash together every 120 seconds, 8*15 = 120, the LCD.
--> 0002, 0004, etc