How many feet are traveled by a person riding once around a merry-go-round? Nathan says, “The radius of the merry-go-round is about 4 feet, so the distance around the edge is about 8π or 25.12 ft.” Mikayla says, “The diameter of the merry-go-round is about 8 feet, so the distance around the edge is about 8π or 25.12 ft.” Explain your work