Question

谁能帮我翻译数学题？

WHITE C IS 8 KM AWAY FROM B. X AND Y START SIMULTANEOUSLY FROM C, BUT X WALKS TOWARds b they come back immediately after reaching their destinations.y walks twice as fast as x does. when x arrives at d, he is still 1km away from y . so, how far is y from b at that time?

Answer 1

C地离B地8KM远，X和Y同时从C地出发，但X向B走。当他们到达目的地时立即返回。Y的速度是X的2倍。当X到达D时，X和Y相距1KM。问：那是Y距B多远？
希望满意

Answer 2

C地离B地8KM远，X和Y同时从C地出发，但X向B走。当他们到达目的地时立即返回。Y的速度是X的2倍。当X到达D时，X和Y相距1KM。问：那时Y距B多远？

Answer 3

C地离B地有8千米远，X和Y同时从C出发，X到达目的地后又返回来，X的速度是Y的两倍，当X到达时，Y离B地仍有1千米，问在那时Y离B有多远（累死了……）