Kim ate 3/4 of the bag, which means she ate 0.75 of the bag.
Sandy ate 3/7 of the the bag, which means she ate 0.43 of the bag.
Jeff ate 3/9 of the back, which means he ate 0.33 of the bag.
Therefore, Kim ate the most potato chips from the bag.
(Divide 3/4 to give you 0.75, and so on.)
