Marcoy27 Marcoy27

01-02-2018
Mathematics

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 musiclover10045

01-02-2018

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

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babysiying babysiying

01-02-2018

150 seconds for both the lights to flash.

Answer Link

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