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

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asked Jan 19, 2022 168k views

20 votes

Two dogs are sitting next to

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

Mathematics
high-school

Natascha asked

by Natascha

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1 Answer

10 votes

Answer:

At 15 seconds. This is because 15 is divisible by both 3 and 5.

Explanation:

Susan Yanders answered Jan 23, 2022

by Susan Yanders

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