math
posted by carmen .
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?

Jenny : 3 6 9 12 15 ....
Mark: 4 8 12 16 ....
Misty: 6 12 18 ....
so what do you think? 
in 6 days