Marcoy27
contestada

A spotlight at a dance club flashes every 25 seconds. Another spotlight flashes every 30 seconds. Both lights just flashed . After how many minutes will both lights flash at the same time again?

Respuesta :

musiclover10045

find the least common multiple of 25 and 30, which is 150

 so they will flash at the same time every 150 seconds which equals 2.5 minutes

babysiying
150 seconds for both the lights to flash.

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