Question

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 the lawn today, in how many days will you mow both lawns again on the same day? If today is Monday, on what day of the week will you mow both lawns again on the same day?

Answer 1

find out the lcm of 6 and 9, and see how many days away from today it is. Then find out the day of the week.