One bus leaves a stop every 9 minutes. A second bus leaves the stop every 15 minutes. If they both leave at 1:25 p.m., at what time will they next leave together?

Question

HenrietteL · Answer

first bus will leave at 1:34 pm second bus will leave at 1:40 pm

karla24aramayo · Answer

It will not happen again because the time lapse is far from eachother

HenrietteL · Answer

The two buses will next leave together at 2:10 p.m. after both initially depart at 1:25 p.m. This is determined by finding the least common multiple of their departure intervals of 9 minutes and 15 minutes. 
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One bus leaves a stop every 9 minutes. A second bus leaves the stop every 15 minutes. If they both leave at 1:25 p.m., at what time will they next leave together?

Answer (3)

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