Question

Two dogs are sitting next to each other. Starting now, one dog will bark every 3 seconds and the dog will bark every 5 seconds. When is the next time both dogs will bark at the same time

Answer 1

Answer:

LCM of 3 and 5 i.e 15 sec

3*5=15

5*3=15

Step-by-step explanation:

Answer 2

Answer: After 15 seconds

Step-by-step explanation:

Get the least common factor