bantay barks every 4 mins., tagpi every 3 mins., blacky every 5 mins. If they barked simultaneously at 11 p.m at what time will they bark simultaneously again?


Sagot :

They will bark again simultaneously at 12am or after 1 hour.

3 = 1 × 3
4 = 2 × 2
5 = 1 × 5

2 × 2 × 3 × 5