Jenny does the dishes every third day, Mark every fourth day, and Misty every sixth day.If they all shared dish duty today, when will they all share dish duty again?

2 answers

Jenny : 3 6 9 12 15 ....
Mark: 4 8 12 16 ....
Misty: 6 12 18 ....

so what do you think?
in 6 days