Question

An electronic device makes a beep after every 15 minutes. Another device makes a beep after every 20 minutes. They beeped together at 6:00 am. At what time will they next beep together
Solve it fast plzz

Answer 1

Answer:

Step-by-step explanation: 7 am

Is the answer firsts take out the lcm of 15 and 20 which is 60 then add 60 minutes to 6 A M to get 7 am