选择题
2026 AMC 8 Problem 19: Miguel and Luna
Miguel is walking with his dog, Luna. When they reach the entrance to a park, Miguel throws a ball straight ahead and continues to walk at a steady pace. Luna sprints toward the ball, which stops by a tree. As soon as the dog reaches the ball, she brings it back to Miguel. Luna runs 5 times faster than Miguel walks. What fraction of the distance between the entrance and the tree does Miguel cover by the time Luna brings him the ball?
2026 AMC 8 第 19 题：米格尔和卢娜
米格尔和他的狗卢娜一起散步。当他们到达公园入口时，米格尔向前扔了一个球，然后继续以稳定的速度行走。卢娜冲向球，球停在一棵树旁。狗一到达球，她就把它带回给米格尔。卢娜跑的速度是米格尔走路速度的 5 倍。当卢娜把球传给米格尔时，米格尔已经走过了入口和树之间的距离的几分之一
A.
1/6
B.
1/5
C.
1/4
D.
1/3
E.
2/5