2019918
Answered

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Three buses depart from the airport at 8:30 am and take different routes. The first
returns to the airport after 45 minutes, the second after 30 minutes and the third after
20 minutes. For each bus, the duration of their route does not vary throughout the day.
At what time will the three buses meet again at the airport?
mb

Sagot :

thishigopal

Answer:

180 mins

Step-by-step explanation:

find the lcm of 45, 30 and 20

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