Question 7
After an emergency, beavers travel from the house to either the museum or the forest. Each circle is a transit point. Arrows show travel directions, and edge numbers count how many beavers used each segment; some counts were not recorded.
Three beavers reached the museum. What remainder does the number reaching the forest leave when divided by 4?
Three beavers reached the museum. What remainder does the number reaching the forest leave when divided by 4?