contestada

Beginning at 8:30 A.M., tours of the national capitol and the White House begin at a tour agency. Tours for the national capital leave very 15 minutes. Tours for the White House leave every 20 minutes. How often do the tours leave at the same time?

Respuesta :

When do the tours stop?

Answer:  It means the tours leave at the same time after every 1 hour.

Step-by-step explanation:

Since we have given that

Number of every minutes that tours for the national capital leave = 15 minutes

Number of every minutes that tours for the White house leave = 20 minutes

We need to find the number of minutes, the tours leave at the same time.

So, to leave for the same time = L.C.M. of 15 and 20 = 60 minutes

Hence, It means the tours leave at the same time after every 1 hour.

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