Question

25. Three bells toll at intervals of 9, 12, 15 minutes. If they start tolling together, after what time
will they next toll together?

Pls say! If you say the right answer I will mark you as the brainliest! ​

Answer 1

Answer:

3 hours later

Step-by-step explanation:

First you must calculate their L C M = 180 minutes

180 minutes = 3 hours

They will toll 3 hours later.

Answer 2

Answer:

Answer = 180

Step-by-step explanation:

because we have to find LCM of 9, 12, 15

LCM of 9,12,15 = 180