preciousmaskey5 preciousmaskey5

09-08-2021
Mathematics

contestada

Three dogs bark at the interval of 10, 15,20 minutes respectively. If they bark at 10:30 once when will they bark together?

Respuesta :

homeworkhelper272 homeworkhelper272

09-08-2021

Answer:

11:30

Step-by-step explanation:

You have to find the LCM (lowest common multiple) and it is:

60

60 minutes is equal to 1 hour, so they'll bark together at 11:30

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