It takes Jasmine 2 hours mow the yard. It takes her sister, Kailyn, 3 hours to mow the yard. How long does it take to mow the yard if they work together?

A)
1 hour


B)
1 hour 12 minutes


C)
1 hour 20 minutes


D)
2 hours 12 minutes


E)
2 hours 30 minutes