Asked by Amy

During the summer, you mow lawns for extra money. One customer pays you to mow the lawn every 6 days and another customer pays you to mow the lawn every 9 days. If you mow both lawns today, in how many days will uou mow both lawns again on the same day?
Answered by Ms. Sue
What is the least common multiple of 6 and 9?

Answered by Amy
Is it 3
Answered by Ms. Sue
No. 3 is the greatest common factor.

Answered by Amy
Is the answer 1
Answered by Amy
I meant 18
Answered by Ms. Sue
Yes. You'll mow both lawns on the 18th day.

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