Question 1201375
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Mai runs each lap in 6 minutes. She will run less 42 than  minutes today. 
What are the possible numbers of laps she will run today?
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To the solution by the other tutor, I want to add that 0 (zero) laps is also a possible solution, 

which is NOT EXCLUDED by the condition and should be, therefore, included to the list of possible solutions.



Also, the natural order of words in your post is violated, making strange impression.


Do you really want to scare your readers ?