mollydriscoll2 mollydriscoll2

20-04-2021
Mathematics

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A red light flashes every 14 minutes. A blue light flashes every 24 minutes. When will the two lights flash together again if they last flashed together at 8 AM

Respuesta :

20-04-2021

Answer:

It happened in 168 minutes

Step-by-step explanation:

24: 48, 72, 96, 120, 144, 168

14: 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168

The common LCM is 168. It happened in seven 24's and in twelve 14's

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