SOLUTION: A local bus departs every 20 minutes. An express bus departs every 5/4 hours. If they depart together at 6:00 A.M., at what time will they next depart at the same time?
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-> SOLUTION: A local bus departs every 20 minutes. An express bus departs every 5/4 hours. If they depart together at 6:00 A.M., at what time will they next depart at the same time?
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Question 813152: A local bus departs every 20 minutes. An express bus departs every 5/4 hours. If they depart together at 6:00 A.M., at what time will they next depart at the same time? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! There is a certain number of 1/3 hr intervals that
add up to some other number of 5/4 hr intervals.
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Expressed as an equation:
where and are whole numbers
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It looks like there are 15 local bus arrivals
and 4 express bus arrivals and the last ones
happen at the same time
and
So, in 5 hrs they depart at the same time
