Eleanor is participating in a game show in which she has to complete a lap of seven different obstacles the lap starts in ends at F. The obstacles are placed at points G, H,I, J,K, L and M. What is the total length of the lap A. 52 units
B. 54 units
C. 56 units
D. 58 units

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?