Asked by carol

bus a stops every 12 minutes and bus b stops every 9 minutes on the same circuit.they stop at the same bus 9:15.when is the next time this happens?
Answered by Ms. Sue
What is the least common multiple of 12 and 9?

Answered by Ms. Sue
No.

Multiples of 9:
9, 18, 27, 36, 45, 54, etc.

Multiples of 12?


Answered by carol
12,24......
Answered by Ms. Sue
Keep going until you find the common multiple.
Answered by carol
36?
Answered by Ms. Sue
Yes. The next time they're together at that stop will be 36 minutes later.
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