Answered

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Here are 3 alarms, alarm a beeps every 15 seconds, alarm b beeps every 40 seconds, alarm c beeps every 100 seconds, all the beeps start at the same time how long will it take for them to beep at the same time again

Sagot :

Answer:

600 seconds

Step-by-step explanation:

Find lcm of 100 and 40, and you get 200. Then find the LCM of 15 and 200, and get 600 as your final answer.

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