Answer:
Kary ate 15 jellybeans.
Step-by-step explanation:
Let x be the total number of jellybeans,
According to the question,
Jellybeans taken by Mike =
Jellybeans taken by Zac =
Jellybeans taken ( or eaten ) by Kary = Remaining jellybeans
Now, Mike ate 1/2 of his jellybeans, Zac ate 1/3 of his jellybeans,
So, the total jelly beans eaten by both Mike and Zac =
Remaining jellybeans contained by both Mike and Zac =
Again according to the question,
Hence, the jellybeans eaten by Kary = = 15